[Intel-gfx] [PATCH 03/12] drm/i915: Framework for capturing command stream based OA reports and ctx id info.
kbuild test robot
lkp at intel.com
Mon Jul 31 15:38:25 UTC 2017
Hi Sourab,
[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on next-20170731]
[cannot apply to v4.13-rc3]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Sagar-Arun-Kamble/i915-perf-support-for-command-stream-based-OA-GPU-and-workload-metrics-capture/20170731-184412
base: git://anongit.freedesktop.org/drm-intel for-linux-next
reproduce: make htmldocs
All warnings (new ones prefixed by >>):
WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org)
include/linux/init.h:1: warning: no structured comments found
include/linux/mod_devicetable.h:687: warning: Excess struct/union/enum/typedef member 'ver_major' description in 'fsl_mc_device_id'
include/linux/mod_devicetable.h:687: warning: Excess struct/union/enum/typedef member 'ver_minor' description in 'fsl_mc_device_id'
kernel/sched/core.c:2080: warning: No description found for parameter 'rf'
kernel/sched/core.c:2080: warning: Excess function parameter 'cookie' description in 'try_to_wake_up_local'
include/linux/wait.h:555: warning: No description found for parameter 'wq'
include/linux/wait.h:555: warning: Excess function parameter 'wq_head' description in 'wait_event_interruptible_hrtimeout'
include/linux/wait.h:759: warning: No description found for parameter 'wq_head'
include/linux/wait.h:759: warning: Excess function parameter 'wq' description in 'wait_event_killable'
include/linux/kthread.h:26: warning: Excess function parameter '...' description in 'kthread_create'
kernel/sys.c:1: warning: no structured comments found
include/linux/device.h:968: warning: No description found for parameter 'dma_ops'
drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
include/linux/iio/iio.h:603: warning: No description found for parameter 'trig_readonly'
include/linux/iio/trigger.h:151: warning: No description found for parameter 'indio_dev'
include/linux/iio/trigger.h:151: warning: No description found for parameter 'trig'
include/linux/device.h:969: warning: No description found for parameter 'dma_ops'
drivers/ata/libata-eh.c:1449: warning: No description found for parameter 'link'
drivers/ata/libata-eh.c:1449: warning: Excess function parameter 'ap' description in 'ata_eh_done'
drivers/ata/libata-eh.c:1590: warning: No description found for parameter 'qc'
drivers/ata/libata-eh.c:1590: warning: Excess function parameter 'dev' description in 'ata_eh_request_sense'
drivers/mtd/nand/nand_base.c:2751: warning: Excess function parameter 'cached' description in 'nand_write_page'
drivers/mtd/nand/nand_base.c:2751: warning: Excess function parameter 'cached' description in 'nand_write_page'
arch/s390/include/asm/cmb.h:1: warning: no structured comments found
drivers/scsi/scsi_lib.c:1116: warning: No description found for parameter 'rq'
drivers/scsi/constants.c:1: warning: no structured comments found
include/linux/usb/gadget.h:230: warning: No description found for parameter 'claimed'
include/linux/usb/gadget.h:230: warning: No description found for parameter 'enabled'
include/linux/usb/gadget.h:412: warning: No description found for parameter 'quirk_altset_not_supp'
include/linux/usb/gadget.h:412: warning: No description found for parameter 'quirk_stall_not_supp'
include/linux/usb/gadget.h:412: warning: No description found for parameter 'quirk_zlp_not_supp'
fs/inode.c:1666: warning: No description found for parameter 'rcu'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_transaction'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_next_transaction'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_list'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_vfs_inode'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_flags'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_rsv_handle'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_reserved'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_type'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_line_no'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_start_jiffies'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_requested_credits'
include/linux/jbd2.h:497: warning: No description found for parameter 'saved_alloc_context'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_chkpt_bhs'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_devname'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_average_commit_time'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_min_batch_time'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_max_batch_time'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_commit_callback'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_failed_commit'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_chksum_driver'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_csum_seed'
fs/jbd2/transaction.c:511: warning: No description found for parameter 'type'
fs/jbd2/transaction.c:511: warning: No description found for parameter 'line_no'
fs/jbd2/transaction.c:641: warning: No description found for parameter 'gfp_mask'
include/drm/drm_drv.h:553: warning: No description found for parameter 'debugfs_init'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_open_object'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_close_object'
include/drm/drm_drv.h:553: warning: No description found for parameter 'prime_handle_to_fd'
include/drm/drm_drv.h:553: warning: No description found for parameter 'prime_fd_to_handle'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_export'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_import'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_pin'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_unpin'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_res_obj'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_get_sg_table'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_import_sg_table'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_vmap'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_vunmap'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_prime_mmap'
include/drm/drm_drv.h:553: warning: No description found for parameter 'gem_vm_ops'
include/drm/drm_drv.h:553: warning: No description found for parameter 'major'
include/drm/drm_drv.h:553: warning: No description found for parameter 'minor'
include/drm/drm_drv.h:553: warning: No description found for parameter 'patchlevel'
include/drm/drm_drv.h:553: warning: No description found for parameter 'name'
include/drm/drm_drv.h:553: warning: No description found for parameter 'desc'
include/drm/drm_drv.h:553: warning: No description found for parameter 'date'
include/drm/drm_drv.h:553: warning: No description found for parameter 'driver_features'
drivers/gpu/drm/drm_modes.c:1623: warning: No description found for parameter 'display'
drivers/gpu/drm/drm_modes.c:1623: warning: Excess function parameter 'connector' description in 'drm_mode_is_420_only'
>> drivers/gpu/drm/i915/i915_drv.h:2000: warning: No description found for parameter 'emit_sample_capture'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'cs_buffer'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'cs_samples'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'cs_samples_lock'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'poll_wq'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'pollin'
>> drivers/gpu/drm/i915/i915_drv.h:2000: warning: No description found for parameter 'emit_sample_capture'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'cs_buffer'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'cs_samples'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'cs_samples_lock'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'poll_wq'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'pollin'
>> drivers/gpu/drm/i915/i915_drv.h:2000: warning: No description found for parameter 'emit_sample_capture'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'cs_buffer'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'cs_samples'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'cs_samples_lock'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'poll_wq'
>> drivers/gpu/drm/i915/i915_drv.h:2078: warning: No description found for parameter 'pollin'
>> drivers/gpu/drm/i915/i915_perf.c:1: warning: no structured comments found
>> drivers/gpu/drm/i915/i915_perf.c:1: warning: no structured comments found
vim +/emit_sample_capture +2000 drivers/gpu/drm/i915/i915_drv.h
1925
1926 /**
1927 * struct i915_perf_stream_ops - the OPs to support a specific stream type
1928 */
1929 struct i915_perf_stream_ops {
1930 /**
1931 * @enable: Enables the collection of HW samples, either in response to
1932 * `I915_PERF_IOCTL_ENABLE` or implicitly called when stream is opened
1933 * without `I915_PERF_FLAG_DISABLED`.
1934 */
1935 void (*enable)(struct i915_perf_stream *stream);
1936
1937 /**
1938 * @disable: Disables the collection of HW samples, either in response
1939 * to `I915_PERF_IOCTL_DISABLE` or implicitly called before destroying
1940 * the stream.
1941 */
1942 void (*disable)(struct i915_perf_stream *stream);
1943
1944 /**
1945 * @poll_wait: Call poll_wait, passing a wait queue that will be woken
1946 * once there is something ready to read() for the stream
1947 */
1948 void (*poll_wait)(struct i915_perf_stream *stream,
1949 struct file *file,
1950 poll_table *wait);
1951
1952 /**
1953 * @wait_unlocked: For handling a blocking read, wait until there is
1954 * something to ready to read() for the stream. E.g. wait on the same
1955 * wait queue that would be passed to poll_wait().
1956 */
1957 int (*wait_unlocked)(struct i915_perf_stream *stream);
1958
1959 /**
1960 * @read: Copy buffered metrics as records to userspace
1961 * **buf**: the userspace, destination buffer
1962 * **count**: the number of bytes to copy, requested by userspace
1963 * **offset**: zero at the start of the read, updated as the read
1964 * proceeds, it represents how many bytes have been copied so far and
1965 * the buffer offset for copying the next record.
1966 *
1967 * Copy as many buffered i915 perf samples and records for this stream
1968 * to userspace as will fit in the given buffer.
1969 *
1970 * Only write complete records; returning -%ENOSPC if there isn't room
1971 * for a complete record.
1972 *
1973 * Return any error condition that results in a short read such as
1974 * -%ENOSPC or -%EFAULT, even though these may be squashed before
1975 * returning to userspace.
1976 */
1977 int (*read)(struct i915_perf_stream *stream,
1978 char __user *buf,
1979 size_t count,
1980 size_t *offset);
1981
1982 /**
1983 * @destroy: Cleanup any stream specific resources.
1984 *
1985 * The stream will always be disabled before this is called.
1986 */
1987 void (*destroy)(struct i915_perf_stream *stream);
1988
1989 /*
1990 * @emit_sample_capture: Emit the commands in the command streamer
1991 * for a particular gpu engine.
1992 *
1993 * The commands are inserted to capture the perf sample data at
1994 * specific points during workload execution, such as before and after
1995 * the batch buffer.
1996 */
1997 void (*emit_sample_capture)(struct i915_perf_stream *stream,
1998 struct drm_i915_gem_request *request,
1999 bool preallocate);
> 2000 };
2001
2002 enum i915_perf_stream_state {
2003 I915_PERF_STREAM_DISABLED,
2004 I915_PERF_STREAM_ENABLE_IN_PROGRESS,
2005 I915_PERF_STREAM_ENABLED,
2006 };
2007
2008 /**
2009 * struct i915_perf_stream - state for a single open stream FD
2010 */
2011 struct i915_perf_stream {
2012 /**
2013 * @dev_priv: i915 drm device
2014 */
2015 struct drm_i915_private *dev_priv;
2016
2017 /**
2018 * @engine: Engine to which this stream corresponds.
2019 */
2020 struct intel_engine_cs *engine;
2021
2022 /**
2023 * @sample_flags: Flags representing the `DRM_I915_PERF_PROP_SAMPLE_*`
2024 * properties given when opening a stream, representing the contents
2025 * of a single sample as read() by userspace.
2026 */
2027 u32 sample_flags;
2028
2029 /**
2030 * @sample_size: Considering the configured contents of a sample
2031 * combined with the required header size, this is the total size
2032 * of a single sample record.
2033 */
2034 int sample_size;
2035
2036 /**
2037 * @ctx: %NULL if measuring system-wide across all contexts or a
2038 * specific context that is being monitored.
2039 */
2040 struct i915_gem_context *ctx;
2041
2042 /**
2043 * @state: Current stream state, which can be either disabled, enabled,
2044 * or enable_in_progress, while considering whether the stream was
2045 * opened in a disabled state and based on `I915_PERF_IOCTL_ENABLE` and
2046 * `I915_PERF_IOCTL_DISABLE` calls.
2047 */
2048 enum i915_perf_stream_state state;
2049
2050 /**
2051 * @cs_mode: Whether command stream based perf sample collection is
2052 * enabled for this stream
2053 */
2054 bool cs_mode;
2055
2056 /**
2057 * @using_oa: Whether OA unit is in use for this particular stream
2058 */
2059 bool using_oa;
2060
2061 /**
2062 * @ops: The callbacks providing the implementation of this specific
2063 * type of configured stream.
2064 */
2065 const struct i915_perf_stream_ops *ops;
2066
2067 /* Command stream based perf data buffer */
2068 struct {
2069 struct i915_vma *vma;
2070 u8 *vaddr;
2071 } cs_buffer;
2072
2073 struct list_head cs_samples;
2074 spinlock_t cs_samples_lock;
2075
2076 wait_queue_head_t poll_wq;
2077 bool pollin;
> 2078 };
2079
---
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