[Mesa-dev] [PATCH v3] HUD: Add support for block I/O, network I/O and lmsensor stats
Brian Paul
brianp at vmware.com
Fri Sep 23 16:19:08 UTC 2016
Hi Steven,
I did a more thorough review per your request...
-Brian
On 09/13/2016 02:21 PM, Steven Toth wrote:
> V3: Flatten the entire patchset ready for the ML
>
> V2: Additional seperate patches based on feedback
> a) configure.ac: Add a comment related to libsensors
>
> b) HUD: Disable Block/NIC I/O stats by default.
> Implement configuration option --enable-gallium-extra-hud=yes
> and enable both statistics when this option is enabled.
>
> c) Configure.ac: Minor cleanup to user visible configuration settings
>
> d) Configure.ac: HUD stats - build system improvements
> Move the -lsensors out of a deeper Makefile, bring it into the configure.ac.
> Also, rename a compiler directive to more closely follow the standard.
>
> V1: Initial release to the ML
> Three new features:
> 1. Disk/block I/O device read/write stats MB/ps.
> 2. Network Interface RX/TX transfer statistics as a percentage
> of the overall NIC speed.
> 3. lmsensor power, voltage and temperature sensors.
>
> The lmsensor changes makes a dependency on libsensors so support
> so the change is opt out by default.
>
> Signed-off-by: Steven Toth <stoth at kernellabs.com>
> ---
> configure.ac | 42 +++
> src/gallium/auxiliary/Makefile.am | 2 +
> src/gallium/auxiliary/Makefile.sources | 3 +
> src/gallium/auxiliary/hud/hud_context.c | 73 +++++
> src/gallium/auxiliary/hud/hud_diskstat.c | 335 ++++++++++++++++++++
> src/gallium/auxiliary/hud/hud_nic.c | 441 +++++++++++++++++++++++++++
> src/gallium/auxiliary/hud/hud_private.h | 25 ++
> src/gallium/auxiliary/hud/hud_sensors_temp.c | 374 +++++++++++++++++++++++
> src/gallium/include/pipe/p_defines.h | 4 +
> 9 files changed, 1299 insertions(+)
> create mode 100644 src/gallium/auxiliary/hud/hud_diskstat.c
> create mode 100644 src/gallium/auxiliary/hud/hud_nic.c
> create mode 100644 src/gallium/auxiliary/hud/hud_sensors_temp.c
>
> diff --git a/configure.ac b/configure.ac
> index a413a3a..610dff0 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -91,6 +91,7 @@ XCBGLX_REQUIRED=1.8.1
> XSHMFENCE_REQUIRED=1.1
> XVMC_REQUIRED=1.0.6
> PYTHON_MAKO_REQUIRED=0.8.0
> +LIBSENSORS_REQUIRED=4.0.0
>
> dnl Check for progs
> AC_PROG_CPP
> @@ -871,6 +872,32 @@ AC_ARG_ENABLE([dri],
> [enable_dri="$enableval"],
> [enable_dri=yes])
>
> +AC_ARG_ENABLE([gallium-extra-hud],
> + [AS_HELP_STRING([--enable-gallium-extra-hud],
> + [enable HUD block/NIC I/O HUD stats support @<:@default=disabled@:>@])],
> + [enable_gallium_extra_hud="$enableval"],
> + [enable_gallium_extra_hud=no])
> +AM_CONDITIONAL(HAVE_GALLIUM_EXTRA_HUD, test "x$enable_gallium_extra_hud" = xyes)
> +if test "x$enable_gallium_extra_hud" = xyes ; then
> + DEFINES="${DEFINES} -DHAVE_GALLIUM_EXTRA_HUD=1"
> +fi
> +
> +#TODO: no pkgconfig .pc available for libsensors.
> +#PKG_CHECK_MODULES([LIBSENSORS], [libsensors >= $LIBSENSORS_REQUIRED], [enable_lmsensors=yes], [enable_lmsensors=no])
> +AC_ARG_ENABLE([lmsensors],
> + [AS_HELP_STRING([--enable-lmsensors],
> + [enable HUD lmsensor support @<:@default=disabled@:>@])],
> + [enable_lmsensors="$enableval"],
> + [enable_lmsensors=no])
> +AM_CONDITIONAL(HAVE_LIBSENSORS, test "x$enable_lmsensors" = xyes)
> +if test "x$enable_lmsensors" = xyes ; then
> + DEFINES="${DEFINES} -DHAVE_LIBSENSORS=1"
> + LIBSENSORS_LDFLAGS="-lsensors"
> +else
> + LIBSENSORS_LDFLAGS=""
> +fi
> +AC_SUBST(LIBSENSORS_LDFLAGS)
> +
> case "$host_os" in
> linux*)
> dri3_default=yes
> @@ -1122,6 +1149,8 @@ AM_CONDITIONAL(HAVE_DRISW_KMS, test "x$have_drisw_kms" = xyes )
> AM_CONDITIONAL(HAVE_DRI2, test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
> AM_CONDITIONAL(HAVE_DRI3, test "x$enable_dri3" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
> AM_CONDITIONAL(HAVE_APPLEDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xapple )
> +AM_CONDITIONAL(HAVE_LMSENSORS, test "x$enable_lmsensors" = xyes )
> +AM_CONDITIONAL(HAVE_GALLIUM_EXTRA_HUD, test "x$enable_gallium_extra_hud" = xyes )
>
> AC_ARG_ENABLE([shared-glapi],
> [AS_HELP_STRING([--enable-shared-glapi],
> @@ -2876,6 +2905,19 @@ else
> echo " Gallium: no"
> fi
>
> +echo ""
> +if test "x$enable_gallium_extra_hud" != xyes; then
> + echo " HUD extra stats: no"
> +else
> + echo " HUD extra stats: yes"
> +fi
> +
> +if test "x$enable_lmsensors" != xyes; then
> + echo " HUD lmsensors: no"
> +else
> + echo " HUD lmsensors: yes"
> +fi
> +
> dnl Shader cache
> echo ""
> echo " Shader cache: $enable_shader_cache"
> diff --git a/src/gallium/auxiliary/Makefile.am b/src/gallium/auxiliary/Makefile.am
> index d971a2b..4a4a4fb 100644
> --- a/src/gallium/auxiliary/Makefile.am
> +++ b/src/gallium/auxiliary/Makefile.am
> @@ -34,6 +34,8 @@ libgallium_la_SOURCES += \
>
> endif
>
> +libgallium_la_LDFLAGS = $(LIBSENSORS_LDFLAGS)
> +
> MKDIR_GEN = $(AM_V_at)$(MKDIR_P) $(@D)
> PYTHON_GEN = $(AM_V_GEN)$(PYTHON2) $(PYTHON_FLAGS)
>
> diff --git a/src/gallium/auxiliary/Makefile.sources b/src/gallium/auxiliary/Makefile.sources
> index f8954c9..650a403 100644
> --- a/src/gallium/auxiliary/Makefile.sources
> +++ b/src/gallium/auxiliary/Makefile.sources
> @@ -62,6 +62,9 @@ C_SOURCES := \
> hud/hud_context.c \
> hud/hud_context.h \
> hud/hud_cpu.c \
> + hud/hud_nic.c \
> + hud/hud_diskstat.c \
> + hud/hud_sensors_temp.c \
> hud/hud_driver_query.c \
> hud/hud_fps.c \
> hud/hud_private.h \
> diff --git a/src/gallium/auxiliary/hud/hud_context.c b/src/gallium/auxiliary/hud/hud_context.c
> index f1a1cee..8d0c206 100644
> --- a/src/gallium/auxiliary/hud/hud_context.c
> +++ b/src/gallium/auxiliary/hud/hud_context.c
> @@ -257,6 +257,10 @@ number_to_human_readable(uint64_t num, uint64_t max_value,
> static const char *hz_units[] =
> {" Hz", " KHz", " MHz", " GHz"};
> static const char *percent_units[] = {"%"};
> + static const char *dbm_units[] = {" (-dBm)"};
> + static const char *temperature_units[] = {" C"};
> + static const char *volt_units[] = {" V"};
> + static const char *amp_units[] = {" mA", " A"};
>
> const char **units;
> unsigned max_unit;
> @@ -269,6 +273,22 @@ number_to_human_readable(uint64_t num, uint64_t max_value,
> max_unit = ARRAY_SIZE(time_units)-1;
> units = time_units;
> break;
> + case PIPE_DRIVER_QUERY_TYPE_VOLTS:
> + max_unit = ARRAY_SIZE(volt_units)-1;
> + units = volt_units;
> + break;
> + case PIPE_DRIVER_QUERY_TYPE_AMPS:
> + max_unit = ARRAY_SIZE(amp_units)-1;
> + units = amp_units;
> + break;
> + case PIPE_DRIVER_QUERY_TYPE_DBM:
> + max_unit = ARRAY_SIZE(dbm_units)-1;
> + units = dbm_units;
> + break;
> + case PIPE_DRIVER_QUERY_TYPE_TEMPERATURE:
> + max_unit = ARRAY_SIZE(temperature_units)-1;
> + units = temperature_units;
> + break;
> case PIPE_DRIVER_QUERY_TYPE_PERCENTAGE:
> max_unit = ARRAY_SIZE(percent_units)-1;
> units = percent_units;
> @@ -993,6 +1013,9 @@ hud_parse_env_var(struct hud_context *hud, const char *env)
> }
>
> /* Add a graph. */
> +#if HAVE_GALLIUM_EXTRA_HUD || HAVE_LIBSENSORS
> + char arg_name[64];
> +#endif
> /* IF YOU CHANGE THIS, UPDATE print_help! */
> if (strcmp(name, "fps") == 0) {
> hud_fps_graph_install(pane);
> @@ -1003,6 +1026,48 @@ hud_parse_env_var(struct hud_context *hud, const char *env)
> else if (sscanf(name, "cpu%u%s", &i, s) == 1) {
> hud_cpu_graph_install(pane, i);
> }
> +#if HAVE_GALLIUM_EXTRA_HUD
> + else if (sscanf(name, "nic-rx-%s", arg_name) == 1) {
> + hud_nic_graph_install(pane, arg_name, NIC_DIRECTION_RX);
> + }
> + else if (sscanf(name, "nic-tx-%s", arg_name) == 1) {
> + hud_nic_graph_install(pane, arg_name, NIC_DIRECTION_TX);
> + }
> + else if (sscanf(name, "nic-rssi-%s", arg_name) == 1) {
> + hud_nic_graph_install(pane, arg_name, NIC_RSSI_DBM);
> + pane->type = PIPE_DRIVER_QUERY_TYPE_DBM;
> + }
> + else if (sscanf(name, "diskstat-rd-%s", arg_name) == 1) {
> + hud_diskstat_graph_install(pane, arg_name, DISKSTAT_RD);
> + pane->type = PIPE_DRIVER_QUERY_TYPE_BYTES;
> + }
> + else if (sscanf(name, "diskstat-wr-%s", arg_name) == 1) {
> + hud_diskstat_graph_install(pane, arg_name, DISKSTAT_WR);
> + pane->type = PIPE_DRIVER_QUERY_TYPE_BYTES;
> + }
> +#endif
> +#if HAVE_LIBSENSORS
> + else if (sscanf(name, "sensors_temp_cu-%s", arg_name) == 1) {
> + hud_sensors_temp_graph_install(pane, &name[16],
What's the significance of name[16]? Should that be a #define ?
> + SENSORS_TEMP_CURRENT);
> + pane->type = PIPE_DRIVER_QUERY_TYPE_TEMPERATURE;
> + }
> + else if (sscanf(name, "sensors_temp_cr-%s", arg_name) == 1) {
> + hud_sensors_temp_graph_install(pane, &name[16],
> + SENSORS_TEMP_CRITICAL);
> + pane->type = PIPE_DRIVER_QUERY_TYPE_TEMPERATURE;
> + }
> + else if (sscanf(name, "sensors_volt_cu-%s", arg_name) == 1) {
> + hud_sensors_temp_graph_install(pane, &name[16],
> + SENSORS_VOLTAGE_CURRENT);
> + pane->type = PIPE_DRIVER_QUERY_TYPE_VOLTS;
> + }
> + else if (sscanf(name, "sensors_curr_cu-%s", arg_name) == 1) {
> + hud_sensors_temp_graph_install(pane, &name[16],
> + SENSORS_CURRENT_CURRENT);
> + pane->type = PIPE_DRIVER_QUERY_TYPE_AMPS;
> + }
> +#endif
> else if (strcmp(name, "samples-passed") == 0 &&
> has_occlusion_query(hud->pipe->screen)) {
> hud_pipe_query_install(&hud->batch_query, pane, hud->pipe,
> @@ -1212,6 +1277,14 @@ print_help(struct pipe_screen *screen)
> puts(" cs-invocations");
> }
>
> +#if HAVE_GALLIUM_EXTRA_HUD
> + hud_get_num_disks(1);
> + hud_get_num_nics(1);
> +#endif
> +#if HAVE_LIBSENSORS
> + hud_get_num_sensors(1);
> +#endif
> +
> if (screen->get_driver_query_info){
> boolean skipping = false;
> struct pipe_driver_query_info info;
> diff --git a/src/gallium/auxiliary/hud/hud_diskstat.c b/src/gallium/auxiliary/hud/hud_diskstat.c
> new file mode 100644
> index 0000000..d22afb7
> --- /dev/null
> +++ b/src/gallium/auxiliary/hud/hud_diskstat.c
> @@ -0,0 +1,335 @@
> +/**************************************************************************
> + *
> + * Copyright (C) 2016 Steven Toth <stoth at kernellabs.com>
> + * Copyright (C) 2016 Zodiac Inflight Innovations
> + * All Rights Reserved.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the
> + * "Software"), to deal in the Software without restriction, including
> + * without limitation the rights to use, copy, modify, merge, publish,
> + * distribute, sub license, and/or sell copies of the Software, and to
> + * permit persons to whom the Software is furnished to do so, subject to
> + * the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the
> + * next paragraph) shall be included in all copies or substantial portions
> + * of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
> + * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
> + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
> + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
> + *
> + **************************************************************************/
> +
> +#if HAVE_GALLIUM_EXTRA_HUD
> +
> +/* Purpose: Reading /sys/block/<*>/stat MB/s read/write throughput per second,
> + * displaying on the HUD.
> + */
> +
> +#include "hud/hud_private.h"
> +#include "util/list.h"
> +#include "os/os_time.h"
> +#include "util/u_memory.h"
> +#include <stdio.h>
> +#include <unistd.h>
> +#include <dirent.h>
> +#include <stdlib.h>
> +#include <unistd.h>
> +#include <inttypes.h>
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <unistd.h>
> +
> +#define LOCAL_DEBUG 0
> +
> +struct stat_s
> +{
> + /* Read */
> + uint64_t r_ios;
> + uint64_t r_merges;
> + uint64_t r_sectors;
> + uint64_t r_ticks;
> + /* Write */
> + uint64_t w_ios;
> + uint64_t w_merges;
> + uint64_t w_sectors;
> + uint64_t w_ticks;
> + /* Misc */
> + uint64_t in_flight;
> + uint64_t io_ticks;
> + uint64_t time_in_queue;
> +};
> +
> +struct diskstat_info
> +{
> + struct list_head list;
> + int mode; /* DISKSTAT_RD, DISKSTAT_WR */
> + char name[64]; /* EG. sda5 */
> +
> + char sysfs_filename[128];
> + uint64_t last_time;
> + struct stat_s last_stat;
> +};
> +
> +/* TODO: We don't handle dynamic block device / partition
> + * arrival or removal.
> + * Static globals specific to this HUD category.
> + */
> +static int gdiskstat_count = 0;
> +static struct list_head gdiskstat_list;
> +
> +static struct diskstat_info *
> +find_dsi_by_name(char *n, int mode)
const char *n ?
> +{
> + list_for_each_entry(struct diskstat_info, dsi, &gdiskstat_list, list) {
> + if (dsi->mode != mode)
> + continue;
> + if (strcasecmp(dsi->name, n) == 0)
> + return dsi;
> + }
> + return 0;
> +}
> +
> +static int
> +get_file_values(struct diskstat_info *dsi, struct stat_s *s)
Maybe just take a filename argument instead of dsi since that's all
that's used?
> +{
> + int ret = 0;
> + FILE *fh = fopen(dsi->sysfs_filename, "r");
> + if (!fh)
> + return -1;
> +
> + ret = fscanf(fh,
> + "%" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64
> + " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 "",
> + &s->r_ios, &s->r_merges, &s->r_sectors, &s->r_ticks, &s->w_ios,
> + &s->w_merges, &s->w_sectors, &s->w_ticks, &s->in_flight, &s->io_ticks,
> + &s->time_in_queue);
> +
> + fclose(fh);
> +
> + return ret;
> +}
> +
> +static void
> +query_dsi_load(struct hud_graph *gr)
> +{
> + /* The framework calls us periodically, compensate for the
> + * calling interval accordingly when reporting per second.
> + */
> + struct diskstat_info *dsi = gr->query_data;
> + uint64_t now = os_time_get();
> +
> + if (dsi->last_time) {
> + if (dsi->last_time + gr->pane->period <= now) {
> + struct stat_s stat;
> + if (get_file_values(dsi, &stat) < 0)
> + return;
> + float val = 0;
> +
> + switch (dsi->mode) {
> + case DISKSTAT_RD:
> + val =
> + ((stat.r_sectors -
> + dsi->last_stat.r_sectors) * 512) /
> + (((float) gr->pane->period / 1000) / 1000);
> + break;
> + case DISKSTAT_WR:
> + val =
> + ((stat.w_sectors -
> + dsi->last_stat.w_sectors) * 512) /
> + (((float) gr->pane->period / 1000) / 1000);
> + break;
> + }
> +
> + hud_graph_add_value(gr, (uint64_t) val);
> + dsi->last_stat = stat;
> + dsi->last_time = now;
> + }
> + }
> + else {
> + /* initialize */
> + switch (dsi->mode) {
> + case DISKSTAT_RD:
> + case DISKSTAT_WR:
> + get_file_values(dsi, &dsi->last_stat);
> + break;
> + }
> + dsi->last_time = now;
> + }
> +}
> +
> +static void
> +free_query_data(void *p)
> +{
> + struct diskstat_info *nic = (struct diskstat_info *) p;
> + list_del(&nic->list);
> + FREE(nic);
> +}
> +
> +/**
> + * Create and initialize a new object for a specific block I/O device.
> + * \param pane parent context.
> + * \param dev_name logical block device name, EG. sda5.
> + * \param mode query read or write (DISKSTAT_RD/DISKSTAT_WR) statistics.
> + */
> +void
> +hud_diskstat_graph_install(struct hud_pane *pane, char *dev_name,
> + unsigned int mode)
> +{
> + struct hud_graph *gr;
> + struct diskstat_info *dsi;
> +
> + int num_devs = hud_get_num_disks(0);
> + if (num_devs <= 0)
> + return;
> +
> +#if LOCAL_DEBUG
> + printf("%s(%s, %s) - Creating HUD object\n", __func__, dev_name,
> + mode == DISKSTAT_RD ? "RD" :
> + mode == DISKSTAT_WR ? "WR" : "UNDEFINED");
> +#endif
> +
> + dsi = find_dsi_by_name(dev_name, mode);
> + if (!dsi)
> + return;
> +
> + gr = CALLOC_STRUCT(hud_graph);
> + if (!gr)
> + return;
> +
> + dsi->mode = mode;
> + if (dsi->mode == DISKSTAT_RD) {
> + sprintf(gr->name, "%s-Read-MB/s", dsi->name);
> + }
> + else if (dsi->mode == DISKSTAT_WR) {
> + sprintf(gr->name, "%s-Write-MB/s", dsi->name);
> + }
> + else
> + return;
> +
> + gr->query_data = dsi;
> + gr->query_new_value = query_dsi_load;
> +
> + /* Don't use free() as our callback as that messes up Gallium's
> + * memory debugger. Use simple free_query_data() wrapper.
> + */
> + gr->free_query_data = free_query_data;
> +
> + hud_pane_add_graph(pane, gr);
> + hud_pane_set_max_value(pane, 100);
> +}
> +
> +static void
> +add_object_part(char *basename, char *name, int objmode)
const char * ?
> +{
> + struct diskstat_info *dsi = CALLOC_STRUCT(diskstat_info);
> +
> + strcpy(dsi->name, name);
> + sprintf(dsi->sysfs_filename, "%s/%s/stat", basename, name);
> + dsi->mode = objmode;
> + list_addtail(&dsi->list, &gdiskstat_list);
> + gdiskstat_count++;
> +}
> +
> +static void
> +add_object(char *basename, char *name, int objmode)
const char * ?
Same thing in a bunch of other places.
> +{
> + struct diskstat_info *dsi = CALLOC_STRUCT(diskstat_info);
> +
> + strcpy(dsi->name, name);
> + sprintf(dsi->sysfs_filename, "%s/stat", basename);
> + dsi->mode = objmode;
> + list_addtail(&dsi->list, &gdiskstat_list);
> + gdiskstat_count++;
> +}
> +
> +/**
> + * Initialize internal object arrays and display block I/O HUD help.
> + * \param displayhelp true if the list of detected devices should be
> + displayed on the console.
> + * \return number of detected block I/O devices.
> + */
> +int
> +hud_get_num_disks(int displayhelp)
bool displayhelp?
> +{
> + struct dirent *dp;
> + struct stat stat_buf;
> + char name[64];
> +
> + /* Return the number of block devices and partitions. */
> + if (gdiskstat_count)
> + return gdiskstat_count;
> +
> + /* Scan /sys/block, for every object type we support, create and
> + * persist an object to represent its different statistics.
> + */
> + list_inithead(&gdiskstat_list);
> + DIR *dir = opendir("/sys/block/");
> + if (!dir)
> + return 0;
> +
> + while ((dp = readdir(dir)) != NULL) {
> +
> + /* Avoid 'lo' and '..' and '.' */
> + if (strlen(dp->d_name) <= 2)
> + continue;
> +
> + char basename[256];
> + sprintf(basename, "/sys/block/%s", dp->d_name);
> + sprintf(name, "%s/stat", basename);
Do we need snprintf() to be safe?
> + if (stat(name, &stat_buf) < 0)
> + continue;
> +
> + if (!S_ISREG(stat_buf.st_mode))
> + continue; /* Not a regular file */
> +
> + /* Add a physical block device with R/W stats */
> + add_object(basename, dp->d_name, DISKSTAT_RD);
> + add_object(basename, dp->d_name, DISKSTAT_WR);
> +
> + /* Add any partitions */
> + struct dirent *dpart;
> + DIR *pdir = opendir(basename);
> + if (!pdir)
> + return 0;
> +
> + while ((dpart = readdir(pdir)) != NULL) {
> + /* Avoid 'lo' and '..' and '.' */
> + if (strlen(dpart->d_name) <= 2)
> + continue;
> +
> + char p[64];
> + sprintf(p, "%s/%s/stat", basename, dpart->d_name);
> + if (stat(p, &stat_buf) < 0)
> + continue;
> +
> + if (!S_ISREG(stat_buf.st_mode))
> + continue; /* Not a regular file */
> +
> + /* Add a partition with R/W stats */
> + add_object_part(basename, dpart->d_name, DISKSTAT_RD);
> + add_object_part(basename, dpart->d_name, DISKSTAT_WR);
> + }
> + }
> +
> + if (displayhelp) {
> + list_for_each_entry(struct diskstat_info, dsi, &gdiskstat_list, list) {
> + char line[32];
> + sprintf(line, " diskstat-%s-%s",
> + dsi->mode == DISKSTAT_RD ? "rd" :
> + dsi->mode == DISKSTAT_WR ? "wr" : "undefined", dsi->name);
> +
> + puts(line);
> + }
> + }
> +
> + return gdiskstat_count;
> +}
> +
> +#endif /* HAVE_GALLIUM_EXTRA_HUD */
> diff --git a/src/gallium/auxiliary/hud/hud_nic.c b/src/gallium/auxiliary/hud/hud_nic.c
> new file mode 100644
> index 0000000..0d35031
> --- /dev/null
> +++ b/src/gallium/auxiliary/hud/hud_nic.c
> @@ -0,0 +1,441 @@
> +/**************************************************************************
> + *
> + * Copyright (C) 2016 Steven Toth <stoth at kernellabs.com>
> + * Copyright (C) 2016 Zodiac Inflight Innovations
> + * All Rights Reserved.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the
> + * "Software"), to deal in the Software without restriction, including
> + * without limitation the rights to use, copy, modify, merge, publish,
> + * distribute, sub license, and/or sell copies of the Software, and to
> + * permit persons to whom the Software is furnished to do so, subject to
> + * the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the
> + * next paragraph) shall be included in all copies or substantial portions
> + * of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
> + * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
> + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
> + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
> + *
> + **************************************************************************/
> +
> +#if HAVE_GALLIUM_EXTRA_HUD
> +
> +/* Purpose: Reading network interface RX/TX throughput per second,
> + * displaying on the HUD.
> + */
> +
> +#include "hud/hud_private.h"
> +#include "util/list.h"
> +#include "os/os_time.h"
> +#include "util/u_memory.h"
> +#include <stdio.h>
> +#include <unistd.h>
> +#include <dirent.h>
> +#include <stdlib.h>
> +#include <unistd.h>
> +#include <inttypes.h>
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <sys/socket.h>
> +#include <sys/ioctl.h>
> +#include <linux/wireless.h>
> +
> +#define LOCAL_DEBUG 0
> +
> +struct nic_info
> +{
> + struct list_head list;
> + int mode;
> + char name[64];
> + uint64_t speedMbps;
> + int is_wireless;
> +
> + char throughput_filename[128];
> + uint64_t last_time;
> + uint64_t last_nic_bytes;
> +};
> +
> +/* TODO: We don't handle dynamic NIC arrival or removal.
> + * Static globals specific to this HUD category.
> + */
> +static int gnic_count = 0;
> +static struct list_head gnic_list;
> +
> +static struct nic_info *
> +find_nic_by_name(char *n, int mode)
> +{
> + list_for_each_entry(struct nic_info, nic, &gnic_list, list) {
> + if (nic->mode != mode)
> + continue;
> +
> + if (strcasecmp(nic->name, n) == 0)
> + return nic;
> + }
> + return 0;
> +}
> +
> +static int
> +get_file_value(char *fname, uint64_t * value)
> +{
> + FILE *fh = fopen(fname, "r");
> + if (!fh)
> + return -1;
> + if (fscanf(fh, "%" PRIu64 "", value) != 0) {
> + /* Error */
> + }
> + fclose(fh);
> + return 0;
> +}
> +
> +static boolean
> +get_nic_bytes(struct nic_info *nic, uint64_t * bytes)
> +{
> + if (get_file_value(nic->throughput_filename, bytes) < 0)
> + return FALSE;
> +
> + return TRUE;
> +}
> +
> +static void
> +query_wifi_bitrate(struct nic_info *nic, uint64_t * bitrate)
> +{
> + int sockfd;
> + struct iw_statistics stats;
> + struct iwreq req;
> +
> + memset(&stats, 0, sizeof(stats));
> + memset(&req, 0, sizeof(req));
> +
> + strcpy(req.ifr_name, nic->name);
> + req.u.data.pointer = &stats;
> + req.u.data.flags = 1;
> + req.u.data.length = sizeof(struct iw_statistics);
> +
> + /* Any old socket will do, and a datagram socket is pretty cheap */
> + if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
> + fprintf(stderr, "Unable to create socket for %s\n", nic->name);
> + return;
> + }
> +
> + if (ioctl(sockfd, SIOCGIWRATE, &req) == -1) {
> + fprintf(stderr, "Error performing SIOCGIWSTATS on %s\n", nic->name);
> + close(sockfd);
> + return;
> + }
> + *bitrate = req.u.bitrate.value;
> +
> + close(sockfd);
> +}
> +
> +static void
> +query_nic_rssi(struct nic_info *nic, uint64_t * leveldBm)
> +{
> + int sockfd;
> + struct iw_statistics stats;
> + struct iwreq req;
> +
> + memset(&stats, 0, sizeof(stats));
> + memset(&req, 0, sizeof(req));
> +
> + strcpy(req.ifr_name, nic->name);
> + req.u.data.pointer = &stats;
> + req.u.data.flags = 1;
> + req.u.data.length = sizeof(struct iw_statistics);
> +
> + if (nic->mode != NIC_RSSI_DBM)
> + return;
> +
> + /* Any old socket will do, and a datagram socket is pretty cheap */
> + if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
> + fprintf(stderr, "Unable to create socket for %s\n", nic->name);
> + return;
> + }
> +
> + /* Perform the ioctl */
> + if (ioctl(sockfd, SIOCGIWSTATS, &req) == -1) {
> + fprintf(stderr, "Error performing SIOCGIWSTATS on %s\n", nic->name);
> + close(sockfd);
> + return;
> + }
> + *leveldBm = ((char) stats.qual.level * -1);
> +
> + close(sockfd);
> +
> +#if LOCAL_DEBUG
> + printf("NIC signal level%s is %d%s.\n",
> + (stats.qual.updated & IW_QUAL_DBM ? " (in dBm)" : ""),
> + (char) stats.qual.level,
> + (stats.qual.updated & IW_QUAL_LEVEL_UPDATED ? " (updated)" : ""));
> +#endif
> +}
> +
> +static void
> +query_nic_load(struct hud_graph *gr)
> +{
> + /* The framework calls us at a regular but indefined period,
> + * not once per second, compensate the statistics accordingly.
> + */
> +
> + struct nic_info *nic = gr->query_data;
> + uint64_t now = os_time_get();
> +
> + if (nic->last_time) {
> + if (nic->last_time + gr->pane->period <= now) {
> + switch (nic->mode) {
> + case NIC_DIRECTION_RX:
> + case NIC_DIRECTION_TX:
> + {
> + uint64_t bytes;
> + get_nic_bytes(nic, &bytes);
> + uint64_t nic_mbps =
> + ((bytes - nic->last_nic_bytes) / 1000000) * 8;
> +
> + float speedMbps = nic->speedMbps;
> + float periodMs = gr->pane->period / 1000;
> + float bits = nic_mbps;
> + float period_factor = periodMs / 1000;
> + float period_speed = speedMbps * period_factor;
> + float pct = (bits / period_speed) * 100;
> +
> + /* Scaling bps with a narrow time period into a second,
> + * potentially suffers from routing errors at higher
> + * periods. Eg 104%. Compensate.
> + */
> + if (pct > 100)
> + pct = 100;
> + hud_graph_add_value(gr, (uint64_t) pct);
> +
> + nic->last_nic_bytes = bytes;
> + }
> + break;
> + case NIC_RSSI_DBM:
> + {
> + uint64_t leveldBm = 0;
> + query_nic_rssi(nic, &leveldBm);
> + hud_graph_add_value(gr, leveldBm);
> + }
> + break;
> + }
> +
> + nic->last_time = now;
> + }
> + }
> + else {
> + /* initialize */
> + switch (nic->mode) {
> + case NIC_DIRECTION_RX:
> + case NIC_DIRECTION_TX:
> + get_nic_bytes(nic, &nic->last_nic_bytes);
> + break;
> + case NIC_RSSI_DBM:
> + break;
> + }
> +
> + nic->last_time = now;
> + }
> +}
> +
> +static void
> +free_query_data(void *p)
> +{
> + struct nic_info *nic = (struct nic_info *) p;
> + list_del(&nic->list);
> + FREE(nic);
> +}
> +
> +/**
> + * Create and initialize a new object for a specific network interface dev.
> + * \param pane parent context.
> + * \param nic_name logical block device name, EG. eth0.
> + * \param mode query type (NIC_DIRECTION_RX/WR/RSSI) statistics.
> + */
> +void
> +hud_nic_graph_install(struct hud_pane *pane, char *nic_name,
> + unsigned int mode)
> +{
> + struct hud_graph *gr;
> + struct nic_info *nic;
> +
> + int num_nics = hud_get_num_nics(0);
> + if (num_nics <= 0)
> + return;
> +
> +#if LOCAL_DEBUG
> + printf("%s(%s, %s) - Creating HUD object\n", __func__, nic_name,
> + mode == NIC_DIRECTION_RX ? "RX" :
> + mode == NIC_DIRECTION_TX ? "TX" :
> + mode == NIC_RSSI_DBM ? "RSSI" : "UNDEFINED");
> +#endif
> +
> + nic = find_nic_by_name(nic_name, mode);
> + if (!nic)
> + return;
> +
> + gr = CALLOC_STRUCT(hud_graph);
> + if (!gr)
> + return;
> +
> + nic->mode = mode;
> + if (nic->mode == NIC_DIRECTION_RX) {
> + sprintf(gr->name, "%s-rx-%lldMbps", nic->name, nic->speedMbps);
> + }
> + else if (nic->mode == NIC_DIRECTION_TX) {
> + sprintf(gr->name, "%s-tx-%lldMbps", nic->name, nic->speedMbps);
> + }
> + else if (nic->mode == NIC_RSSI_DBM)
> + sprintf(gr->name, "%s-rssi", nic->name);
> + else
> + return;
> +
> + gr->query_data = nic;
> + gr->query_new_value = query_nic_load;
> +
> + /* Don't use free() as our callback as that messes up Gallium's
> + * memory debugger. Use simple free_query_data() wrapper.
> + */
> + gr->free_query_data = free_query_data;
> +
> + hud_pane_add_graph(pane, gr);
> + hud_pane_set_max_value(pane, 100);
> +}
> +
> +static int
> +is_wireless_nic(char *dirbase)
> +{
> + struct stat stat_buf;
> +
> + /* Check if its a wireless card */
> + char fn[256];
> + sprintf(fn, "%s/wireless", dirbase);
> + if (stat(fn, &stat_buf) == 0)
> + return 1;
> +
> + return 0;
> +}
> +
> +static void
> +query_nic_bitrate(struct nic_info *nic, char *dirbase)
> +{
> + struct stat stat_buf;
> +
> + /* Check if its a wireless card */
> + char fn[256];
> + sprintf(fn, "%s/wireless", dirbase);
> + if (stat(fn, &stat_buf) == 0) {
> + /* we're a wireless nic */
> + query_wifi_bitrate(nic, &nic->speedMbps);
> + nic->speedMbps /= 1000000;
> + }
> + else {
> + /* Must be a wired nic */
> + sprintf(fn, "%s/speed", dirbase);
> + get_file_value(fn, &nic->speedMbps);
> + }
> +}
> +
> +/**
> + * Initialize internal object arrays and display NIC HUD help.
> + * \param displayhelp true if the list of detected devices should be
> + displayed on the console.
> + * \return number of detected network interface devices.
> + */
> +int
> +hud_get_num_nics(int displayhelp)
> +{
> + struct dirent *dp;
> + struct stat stat_buf;
> + struct nic_info *nic;
> + char name[64];
> +
> + /* Return the number if network interfaces. */
> + if (gnic_count)
> + return gnic_count;
> +
> + /* Scan /sys/block, for every object type we support, create and
> + * persist an object to represent its different statistics.
> + */
> + list_inithead(&gnic_list);
> + DIR *dir = opendir("/sys/class/net/");
> + if (!dir)
> + return 0;
> +
> + while ((dp = readdir(dir)) != NULL) {
> +
> + /* Avoid 'lo' and '..' and '.' */
> + if (strlen(dp->d_name) <= 2)
> + continue;
> +
> + char basename[256];
> + sprintf(basename, "/sys/class/net/%s", dp->d_name);
> + sprintf(name, "%s/statistics/rx_bytes", basename);
> + if (stat(name, &stat_buf) < 0)
> + continue;
> +
> + if (!S_ISREG(stat_buf.st_mode))
> + continue; /* Not a regular file */
> +
> + int is_wireless = is_wireless_nic(basename);
> +
> + /* Add the RX object */
> + nic = CALLOC_STRUCT(nic_info);
> + strcpy(nic->name, dp->d_name);
> + sprintf(nic->throughput_filename, "%s/statistics/rx_bytes", basename);
> + nic->mode = NIC_DIRECTION_RX;
> + nic->is_wireless = is_wireless;
> + query_nic_bitrate(nic, basename);
> +
> + list_addtail(&nic->list, &gnic_list);
> + gnic_count++;
> +
> + /* Add the TX object */
> + nic = CALLOC_STRUCT(nic_info);
> + strcpy(nic->name, dp->d_name);
> + sprintf(nic->throughput_filename,
> + "/sys/class/net/%s/statistics/tx_bytes", dp->d_name);
> + nic->mode = NIC_DIRECTION_TX;
> + nic->is_wireless = is_wireless;
> +
> + query_nic_bitrate(nic, basename);
> +
> + list_addtail(&nic->list, &gnic_list);
> + gnic_count++;
> +
> + if (nic->is_wireless) {
> + /* RSSI Support */
> + nic = CALLOC_STRUCT(nic_info);
> + strcpy(nic->name, dp->d_name);
> + sprintf(nic->throughput_filename,
> + "/sys/class/net/%s/statistics/tx_bytes", dp->d_name);
> + nic->mode = NIC_RSSI_DBM;
> +
> + query_nic_bitrate(nic, basename);
> +
> + list_addtail(&nic->list, &gnic_list);
> + gnic_count++;
> + }
> +
> + }
> +
> + list_for_each_entry(struct nic_info, nic, &gnic_list, list) {
> + char line[64];
> + sprintf(line, " nic-%s-%s",
> + nic->mode == NIC_DIRECTION_RX ? "rx" :
> + nic->mode == NIC_DIRECTION_TX ? "tx" :
> + nic->mode == NIC_RSSI_DBM ? "rssi" : "undefined", nic->name);
> +
> + puts(line);
> +
> + }
> +
> + return gnic_count;
> +}
> +
> +#endif /* HAVE_GALLIUM_EXTRA_HUD */
> diff --git a/src/gallium/auxiliary/hud/hud_private.h b/src/gallium/auxiliary/hud/hud_private.h
> index 2104c27..5547fb6 100644
> --- a/src/gallium/auxiliary/hud/hud_private.h
> +++ b/src/gallium/auxiliary/hud/hud_private.h
> @@ -103,4 +103,29 @@ boolean hud_driver_query_install(struct hud_batch_query_context **pbq,
> void hud_batch_query_update(struct hud_batch_query_context *bq);
> void hud_batch_query_cleanup(struct hud_batch_query_context **pbq);
>
> +#if HAVE_GALLIUM_EXTRA_HUD
> +int hud_get_num_nics(int displayhelp);
> +#define NIC_DIRECTION_RX 1
> +#define NIC_DIRECTION_TX 2
> +#define NIC_RSSI_DBM 3
> +void hud_nic_graph_install(struct hud_pane *pane, char *nic_index,
> + unsigned int mode);
> +
> +int hud_get_num_disks(int displayhelp);
> +#define DISKSTAT_RD 1
> +#define DISKSTAT_WR 2
> +void hud_diskstat_graph_install(struct hud_pane *pane, char *dev_name,
> + unsigned int mode);
> +#endif
> +
> +#if HAVE_LIBSENSORS
> +int hud_get_num_sensors(int displayhelp);
> +#define SENSORS_TEMP_CURRENT 1
> +#define SENSORS_TEMP_CRITICAL 2
> +#define SENSORS_VOLTAGE_CURRENT 3
> +#define SENSORS_CURRENT_CURRENT 4
> +void hud_sensors_temp_graph_install(struct hud_pane *pane, char *dev_name,
> + unsigned int mode);
> +#endif
> +
> #endif
> diff --git a/src/gallium/auxiliary/hud/hud_sensors_temp.c b/src/gallium/auxiliary/hud/hud_sensors_temp.c
> new file mode 100644
> index 0000000..425a16f
> --- /dev/null
> +++ b/src/gallium/auxiliary/hud/hud_sensors_temp.c
> @@ -0,0 +1,374 @@
> +/**************************************************************************
> + *
> + * Copyright (C) 2016 Steven Toth <stoth at kernellabs.com>
> + * Copyright (C) 2016 Zodiac Inflight Innovations
> + * All Rights Reserved.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the
> + * "Software"), to deal in the Software without restriction, including
> + * without limitation the rights to use, copy, modify, merge, publish,
> + * distribute, sub license, and/or sell copies of the Software, and to
> + * permit persons to whom the Software is furnished to do so, subject to
> + * the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the
> + * next paragraph) shall be included in all copies or substantial portions
> + * of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
> + * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
> + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
> + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
> + *
> + **************************************************************************/
> +
> +#if HAVE_LIBSENSORS
> +/* Purpose: Extract lm-sensors data, expose temperature, power, voltage. */
> +
> +#include "hud/hud_private.h"
> +#include "util/list.h"
> +#include "os/os_time.h"
> +#include "util/u_memory.h"
> +#include <stdio.h>
> +#include <unistd.h>
> +#include <dirent.h>
> +#include <stdlib.h>
> +#include <unistd.h>
> +#include <inttypes.h>
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <unistd.h>
> +#include <sensors/sensors.h>
> +
> +#define LOCAL_DEBUG 0
> +
> +/* TODO: We don't handle dynamic sensor discovery / arrival or removal.
> + * Static globals specific to this HUD category.
> + */
> +static int gsensors_temp_count = 0;
> +static struct list_head gsensors_temp_list;
> +
> +struct sensors_temp_info
> +{
> + struct list_head list;
> +
> + /* Combined chip and feature name, human readable. */
> + char name[64];
> +
> + /* The type of measurement, critical or current. */
> + unsigned int mode;
> +
> + uint64_t last_time;
> +
> + char chipname[64];
> + char featurename[128];
> +
> + sensors_chip_name *chip;
> + const sensors_feature *feature;
> + double current, min, max, critical;
> +};
> +
> +static double
> +get_value(const sensors_chip_name * name, const sensors_subfeature * sub)
We usually omit the space between '*' and the param name.
> +{
> + double val;
> + int err;
> +
> + err = sensors_get_value(name, sub->number, &val);
> + if (err) {
> + fprintf(stderr, "ERROR: Can't get value of subfeature %s\n", sub->name);
> + val = 0;
> + }
> + return val;
> +}
> +
> +static void
> +get_sensor_values(struct sensors_temp_info *sti)
> +{
> + const sensors_subfeature *sf;
> +
> + if (sti->mode == SENSORS_VOLTAGE_CURRENT) {
> + sf = sensors_get_subfeature(sti->chip, sti->feature,
> + SENSORS_SUBFEATURE_IN_INPUT);
> + if (sf)
> + sti->current = get_value(sti->chip, sf);
> + }
> +
> + if (sti->mode == SENSORS_CURRENT_CURRENT) {
> + sf = sensors_get_subfeature(sti->chip, sti->feature,
> + SENSORS_SUBFEATURE_CURR_INPUT);
> + if (sf) {
> + /* Sensors API returns in AMPs, even though driver is reporting mA,
> + * convert back to mA */
> + sti->current = get_value(sti->chip, sf) * 1000;
> + }
> + }
> +
> + if (sti->mode == SENSORS_TEMP_CURRENT) {
> + sf = sensors_get_subfeature(sti->chip, sti->feature,
> + SENSORS_SUBFEATURE_TEMP_INPUT);
> + if (sf)
> + sti->current = get_value(sti->chip, sf);
> + }
> +
> + if (sti->mode == SENSORS_TEMP_CRITICAL) {
> + sf = sensors_get_subfeature(sti->chip, sti->feature,
> + SENSORS_SUBFEATURE_TEMP_CRIT);
> + if (sf)
> + sti->critical = get_value(sti->chip, sf);
> + }
> +
> + sf = sensors_get_subfeature(sti->chip, sti->feature,
> + SENSORS_SUBFEATURE_TEMP_MIN);
> + if (sf)
> + sti->min = get_value(sti->chip, sf);
> +
> + sf = sensors_get_subfeature(sti->chip, sti->feature,
> + SENSORS_SUBFEATURE_TEMP_MAX);
> + if (sf)
> + sti->max = get_value(sti->chip, sf);
> +#if LOCAL_DEBUG
> + printf("%s.%s.current = %.1f\n", sti->chipname, sti->featurename,
> + sti->current);
> + printf("%s.%s.critical = %.1f\n", sti->chipname, sti->featurename,
> + sti->critical);
> +#endif
> +}
> +
> +static struct sensors_temp_info *
> +find_sti_by_name(char *n, unsigned int mode)
> +{
> + list_for_each_entry(struct sensors_temp_info, sti, &gsensors_temp_list, list) {
> + if (sti->mode != mode)
> + continue;
> + if (strcasecmp(sti->name, n) == 0)
> + return sti;
> + }
> + return 0;
> +}
> +
> +static void
> +query_sti_load(struct hud_graph *gr)
> +{
> + struct sensors_temp_info *sti = gr->query_data;
> + uint64_t now = os_time_get();
> +
> + if (sti->last_time) {
> + if (sti->last_time + gr->pane->period <= now) {
> + get_sensor_values(sti);
> +
> + switch (sti->mode) {
> + case SENSORS_TEMP_CURRENT:
> + hud_graph_add_value(gr, (uint64_t) sti->current);
> + break;
> + case SENSORS_TEMP_CRITICAL:
> + hud_graph_add_value(gr, (uint64_t) sti->critical);
> + break;
> + case SENSORS_VOLTAGE_CURRENT:
> + hud_graph_add_value(gr, (uint64_t) sti->current);
> + break;
> + case SENSORS_CURRENT_CURRENT:
> + hud_graph_add_value(gr, (uint64_t) sti->current);
> + break;
> + }
> +
> + sti->last_time = now;
> + }
> + }
> + else {
> + /* initialize */
> + get_sensor_values(sti);
> + sti->last_time = now;
> + }
> +}
> +
> +static void
> +free_query_data(void *p)
> +{
> + struct sensors_temp_info *sti = (struct sensors_temp_info *) p;
> + list_del(&sti->list);
> + if (sti->chip)
> + sensors_free_chip_name(sti->chip);
> + FREE(sti);
> + sensors_cleanup();
> +}
> +
> +/**
> + * Create and initialize a new object for a specific sensor interface dev.
> + * \param pane parent context.
> + * \param dev_name device name, EG. 'coretemp-isa-0000.Core 1'
> + * \param mode query type (NIC_DIRECTION_RX/WR/RSSI) statistics.
> + */
> +void
> +hud_sensors_temp_graph_install(struct hud_pane *pane, char *dev_name,
> + unsigned int mode)
> +{
> + struct hud_graph *gr;
> + struct sensors_temp_info *sti;
> +
> + int num_devs = hud_get_num_sensors(0);
> + if (num_devs <= 0)
> + return;
> +#if LOCAL_DEBUG
> + printf("%s(%s, %s) - Creating HUD object\n", __func__, dev_name,
> + mode == SENSORS_VOLTAGE_CURRENT ? "VOLTS" :
> + mode == SENSORS_CURRENT_CURRENT ? "AMPS" :
> + mode == SENSORS_TEMP_CURRENT ? "CU" :
> + mode == SENSORS_TEMP_CRITICAL ? "CR" : "UNDEFINED");
> +#endif
> +
> + sti = find_sti_by_name(dev_name, mode);
> + if (!sti)
> + return;
> +
> + gr = CALLOC_STRUCT(hud_graph);
> + if (!gr)
> + return;
> +
> + sprintf(gr->name, "%.6s..%s (%s)",
> + sti->chipname,
> + sti->featurename,
> + sti->mode == SENSORS_VOLTAGE_CURRENT ? "Volts" :
> + sti->mode == SENSORS_CURRENT_CURRENT ? "Amps" :
> + sti->mode == SENSORS_TEMP_CURRENT ? "Curr" :
> + sti->mode == SENSORS_TEMP_CRITICAL ? "Crit" : "Unkn");
> +
> + gr->query_data = sti;
> + gr->query_new_value = query_sti_load;
> +
> + /* Don't use free() as our callback as that messes up Gallium's
> + * memory debugger. Use simple free_query_data() wrapper.
> + */
> + gr->free_query_data = free_query_data;
> +
> + hud_pane_add_graph(pane, gr);
> + switch (sti->mode) {
> + case SENSORS_TEMP_CURRENT:
> + case SENSORS_TEMP_CRITICAL:
> + hud_pane_set_max_value(pane, 120);
> + break;
> + case SENSORS_VOLTAGE_CURRENT:
> + hud_pane_set_max_value(pane, 12);
> + break;
> + case SENSORS_CURRENT_CURRENT:
> + hud_pane_set_max_value(pane, 5000);
> + break;
> + }
> +}
> +
> +static void
> +create_object(char *chipname, char *featurename,
> + const sensors_chip_name * chip, const sensors_feature * feature,
> + int mode)
> +{
> +#if LOCAL_DEBUG
> + printf("%03d: %s.%s\n", gsensors_temp_count, chipname, featurename);
> +#endif
> + struct sensors_temp_info *sti = CALLOC_STRUCT(sensors_temp_info);
> +
> + sti->mode = mode;
> + sti->chip = (sensors_chip_name *) chip;
> + sti->feature = feature;
> + strcpy(sti->chipname, chipname);
> + strcpy(sti->featurename, featurename);
> + sprintf(sti->name, "%s.%s", sti->chipname, sti->featurename);
> +
> + list_addtail(&sti->list, &gsensors_temp_list);
> + gsensors_temp_count++;
> +}
> +
> +static void
> +build_sensor_list(void)
> +{
> + const sensors_chip_name *chip;
> + const sensors_chip_name *match = 0;
> + const sensors_feature *feature;
> + int chip_nr = 0;
> +
> + char name[256];
> + while ((chip = sensors_get_detected_chips(match, &chip_nr))) {
> + sensors_snprintf_chip_name(name, sizeof(name), chip);
> +
> + /* Get all features and filter accordingly. */
> + int fnr = 0;
> + while ((feature = sensors_get_features(chip, &fnr))) {
> + char *featurename = sensors_get_label(chip, feature);
> + if (!featurename)
> + continue;
> +
> + /* Create a 'current' and 'critical' object pair.
> + * Ignore sensor if its not temperature based.
> + */
> + if (feature->type == SENSORS_FEATURE_TEMP) {
> + create_object(name, featurename, chip, feature,
> + SENSORS_TEMP_CURRENT);
> + create_object(name, featurename, chip, feature,
> + SENSORS_TEMP_CRITICAL);
> + }
> + if (feature->type == SENSORS_FEATURE_IN) {
> + create_object(name, featurename, chip, feature,
> + SENSORS_VOLTAGE_CURRENT);
> + }
> + if (feature->type == SENSORS_FEATURE_CURR) {
> + create_object(name, featurename, chip, feature,
> + SENSORS_CURRENT_CURRENT);
> + }
> + free(featurename);
> + }
> + }
> +}
> +
> +/**
> + * Initialize internal object arrays and display lmsensors HUD help.
> + * \param displayhelp true if the list of detected devices should be
> + displayed on the console.
> + * \return number of detected lmsensor devices.
> + */
> +int
> +hud_get_num_sensors(int displayhelp)
> +{
> + /* Return the number of sensors detected. */
> + if (gsensors_temp_count)
> + return gsensors_temp_count;
> +
> + int ret = sensors_init(NULL);
> + if (ret)
> + return 0;
> +
> + list_inithead(&gsensors_temp_list);
> +
> + /* Scan /sys/block, for every object type we support, create and
> + * persist an object to represent its different statistics.
> + */
> + build_sensor_list();
> +
> + if (displayhelp) {
> + list_for_each_entry(struct sensors_temp_info, sti, &gsensors_temp_list, list) {
> + char line[64];
> + switch (sti->mode) {
> + case SENSORS_TEMP_CURRENT:
> + sprintf(line, " sensors_temp_cu-%s", sti->name);
> + break;
> + case SENSORS_TEMP_CRITICAL:
> + sprintf(line, " sensors_temp_cr-%s", sti->name);
> + break;
> + case SENSORS_VOLTAGE_CURRENT:
> + sprintf(line, " sensors_volt_cu-%s", sti->name);
> + break;
> + case SENSORS_CURRENT_CURRENT:
> + sprintf(line, " sensors_curr_cu-%s", sti->name);
> + break;
> + }
> +
> + puts(line);
> + }
> + }
> +
> + return gsensors_temp_count;
> +}
> +
> +#endif /* HAVE_LIBSENSORS */
> diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
> index 88aa050..317a7c3 100644
> --- a/src/gallium/include/pipe/p_defines.h
> +++ b/src/gallium/include/pipe/p_defines.h
> @@ -965,6 +965,10 @@ enum pipe_driver_query_type
> PIPE_DRIVER_QUERY_TYPE_BYTES,
> PIPE_DRIVER_QUERY_TYPE_MICROSECONDS,
> PIPE_DRIVER_QUERY_TYPE_HZ,
> + PIPE_DRIVER_QUERY_TYPE_DBM,
> + PIPE_DRIVER_QUERY_TYPE_TEMPERATURE,
> + PIPE_DRIVER_QUERY_TYPE_VOLTS,
> + PIPE_DRIVER_QUERY_TYPE_AMPS,
> };
>
> /* Whether an average value per frame or a cumulative value should be
>
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