[systemd-commits] 2 commits - src/bootchart

Auke-Jan Kok auke at kemper.freedesktop.org
Thu Feb 14 12:00:41 PST 2013


 src/bootchart/bootchart.c |   19 +++++++++++++++++--
 src/bootchart/bootchart.h |    4 +++-
 src/bootchart/svg.c       |   29 +++++++++++++----------------
 3 files changed, 33 insertions(+), 19 deletions(-)

New commits:
commit e93450c6c053d7499971a2b1310e893978f67f74
Author: Harald Hoyer <harald at redhat.com>
Date:   Thu Feb 14 11:26:07 2013 +0100

    bootchart: parse /etc/os-release rather than system-release
    
    Also parse it early, so that we can get it in the initramfs.

diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c
index e34c08a..7affacf 100644
--- a/src/bootchart/bootchart.c
+++ b/src/bootchart/bootchart.c
@@ -82,6 +82,7 @@ static void signal_handler(int sig)
 
 int main(int argc, char *argv[])
 {
+        _cleanup_free_ char *build = NULL;
         struct sigaction sig;
         struct ps_struct *ps;
         char output_file[PATH_MAX];
@@ -280,6 +281,12 @@ int main(int argc, char *argv[])
                         sysfd = open("/sys", O_RDONLY);
                 }
 
+                if (!build) {
+                        parse_env_file("/etc/os-release", NEWLINE,
+                                       "PRETTY_NAME", &build,
+                                       NULL);
+                }
+
                 /* wait for /proc to become available, discarding samples */
                 if (!(graph_start > 0.0))
                         log_uptime();
@@ -350,7 +357,7 @@ int main(int argc, char *argv[])
                 exit (EXIT_FAILURE);
         }
 
-        svg_do();
+        svg_do(build);
 
         fprintf(stderr, "bootchartd: Wrote %s\n", output_file);
         fclose(of);
diff --git a/src/bootchart/bootchart.h b/src/bootchart/bootchart.h
index 6b11fd8..84e9420 100644
--- a/src/bootchart/bootchart.h
+++ b/src/bootchart/bootchart.h
@@ -124,4 +124,4 @@ extern double gettime_ns(void);
 extern void log_uptime(void);
 extern void log_sample(int sample);
 
-extern void svg_do(void);
+extern void svg_do(const char *build);
diff --git a/src/bootchart/svg.c b/src/bootchart/svg.c
index dc55cb3..414d7af 100644
--- a/src/bootchart/svg.c
+++ b/src/bootchart/svg.c
@@ -140,7 +140,7 @@ static void svg_header(void)
 }
 
 
-static void svg_title(void)
+static void svg_title(const char *build)
 {
         char cmdline[256] = "";
         char filename[PATH_MAX];
@@ -149,7 +149,6 @@ static void svg_title(void)
         char model[256] = "Unknown";
         char date[256] = "Unknown";
         char cpu[256] = "Unknown";
-        char build[256] = "Unknown";
         char *c;
         FILE *f;
         time_t t;
@@ -201,14 +200,6 @@ static void svg_title(void)
                 fclose(f);
         }
 
-        /* Build - 1st line from /etc/system-release */
-        f = fopen("/etc/system-release", "r");
-        if (f) {
-                if (fgets(buf, 255, f))
-                        strncpy(build, buf, 255);
-                fclose(f);
-        }
-
         svg("<text class=\"t1\" x=\"0\" y=\"30\">Bootchart for %s - %s</text>\n",
             uts.nodename, date);
         svg("<text class=\"t2\" x=\"20\" y=\"50\">System: %s %s %s %s</text>\n",
@@ -1053,7 +1044,7 @@ static void svg_top_ten_pss(void)
 }
 
 
-void svg_do(void)
+void svg_do(const char *build)
 {
         struct ps_struct *ps;
 
@@ -1106,7 +1097,7 @@ void svg_do(void)
         svg("</g>\n\n");
 
         svg("<g transform=\"translate(10,  0)\">\n");
-        svg_title();
+        svg_title(build);
         svg("</g>\n\n");
 
         svg("<g transform=\"translate(10,200)\">\n");

commit b823b5e272d07d31c12625a268e8d563289a4db5
Author: Harald Hoyer <harald at redhat.com>
Date:   Thu Feb 14 11:26:05 2013 +0100

    bootchart: more fixes for bootchart in the initramfs

diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c
index adfaba5..e34c08a 100644
--- a/src/bootchart/bootchart.c
+++ b/src/bootchart/bootchart.c
@@ -23,6 +23,7 @@
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/resource.h>
+#include <sys/stat.h>
 #include <stdio.h>
 #include <signal.h>
 #include <stdlib.h>
@@ -32,6 +33,7 @@
 #include <getopt.h>
 #include <limits.h>
 #include <errno.h>
+#include <fcntl.h>
 
 
 #include "bootchart.h"
@@ -51,6 +53,7 @@ double interval;
 FILE *of = NULL;
 int overrun = 0;
 static int exiting = 0;
+int sysfd=-1;
 
 /* graph defaults */
 int entropy = 0;
@@ -273,6 +276,9 @@ int main(int argc, char *argv[])
                         of = fopen(output_file, "w");
                 }
 
+                if (sysfd < 0) {
+                        sysfd = open("/sys", O_RDONLY);
+                }
 
                 /* wait for /proc to become available, discarding samples */
                 if (!(graph_start > 0.0))
@@ -331,7 +337,6 @@ int main(int argc, char *argv[])
                 if (ps->smaps)
                         fclose(ps->smaps);
         }
-        closedir(proc);
 
         if (!of) {
                 t = time(NULL);
@@ -350,6 +355,9 @@ int main(int argc, char *argv[])
         fprintf(stderr, "bootchartd: Wrote %s\n", output_file);
         fclose(of);
 
+        closedir(proc);
+        close(sysfd);
+
         /* nitpic cleanups */
         ps = ps_first;
         while (ps->next_ps) {
diff --git a/src/bootchart/bootchart.h b/src/bootchart/bootchart.h
index 7793cfc..6b11fd8 100644
--- a/src/bootchart/bootchart.h
+++ b/src/bootchart/bootchart.h
@@ -117,6 +117,8 @@ extern char init_path[PATH_MAX];
 
 extern FILE *of;
 extern DIR *proc;
+extern int procfd;
+extern int sysfd;
 
 extern double gettime_ns(void);
 extern void log_uptime(void);
diff --git a/src/bootchart/svg.c b/src/bootchart/svg.c
index 6ad7348..dc55cb3 100644
--- a/src/bootchart/svg.c
+++ b/src/bootchart/svg.c
@@ -28,6 +28,8 @@
 #include <limits.h>
 #include <unistd.h>
 #include <sys/utsname.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 
 #include "bootchart.h"
 #include "util.h"
@@ -151,10 +153,12 @@ static void svg_title(void)
         char *c;
         FILE *f;
         time_t t;
+        int fd;
         struct utsname uts;
 
         /* grab /proc/cmdline */
-        f = fopen("/proc/cmdline", "r");
+        fd = openat(procfd, "cmdline", O_RDONLY);
+        f = fdopen(fd, "r");
         if (f) {
                 if (!fgets(cmdline, 255, f))
                         sprintf(cmdline, "Unknown");
@@ -167,8 +171,9 @@ static void svg_title(void)
                 strncpy(rootbdev, &c[10], 3);
                 rootbdev[3] = '\0';
         }
-        sprintf(filename, "/sys/block/%s/device/model", rootbdev);
-        f = fopen(filename, "r");
+        sprintf(filename, "block/%s/device/model", rootbdev);
+        fd = openat(sysfd, filename, O_RDONLY);
+        f = fdopen(fd, "r");
         if (f) {
                 if (!fgets(model, 255, f))
                         fprintf(stderr, "Error reading disk model for %s\n", rootbdev);
@@ -184,7 +189,8 @@ static void svg_title(void)
         strftime(date, sizeof(date), "%a, %d %b %Y %H:%M:%S %z", localtime(&t));
 
         /* CPU type */
-        f = fopen("/proc/cpuinfo", "r");
+        fd = openat(procfd, "cpuinfo", O_RDONLY);
+        f = fdopen(fd, "r");
         if (f) {
                 while (fgets(buf, 255, f)) {
                         if (strstr(buf, "model name")) {



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