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intel/perf: Move i915 specific code from common code

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More code will be moved to i915 specific files in the next patches.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29421>
This commit is contained in:
José Roberto de Souza
2024-05-10 10:23:04 -07:00
committed by Marge Bot
parent 8ad56247c3
commit 30f97a7242
3 changed files with 112 additions and 79 deletions
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96
src/intel/perf/i915/intel_perf.c
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@@ -5,11 +5,19 @@
#include "perf/i915/intel_perf.h"
#include <sys/stat.h>
#include "common/intel_gem.h"
#include "common/i915/intel_gem.h"
#include "dev/intel_debug.h"
#include "dev/intel_device_info.h"
#include "intel_perf_common.h"
#include "perf/intel_perf.h"
#include "drm-uapi/i915_drm.h"
#define FILE_DEBUG_FLAG DEBUG_PERFMON
uint64_t i915_perf_get_oa_format(struct intel_perf_config *perf)
{
if (perf->devinfo->verx10 <= 75)
@@ -79,3 +87,91 @@ i915_perf_stream_open(struct intel_perf_config *perf_config, int drm_fd,
int fd = intel_ioctl(drm_fd, DRM_IOCTL_I915_PERF_OPEN, &param);
return fd > -1 ? fd : 0;
}
static bool
i915_query_perf_config_supported(struct intel_perf_config *perf, int fd)
{
int32_t length = 0;
return !intel_i915_query_flags(fd, DRM_I915_QUERY_PERF_CONFIG,
DRM_I915_QUERY_PERF_CONFIG_LIST,
NULL, &length);
}
bool
i915_query_perf_config_data(struct intel_perf_config *perf,
int fd, const char *guid,
struct drm_i915_perf_oa_config *config)
{
char data[sizeof(struct drm_i915_query_perf_config) +
sizeof(struct drm_i915_perf_oa_config)] = {};
struct drm_i915_query_perf_config *i915_query = (void *)data;
struct drm_i915_perf_oa_config *i915_config = (void *)data + sizeof(*i915_query);
memcpy(i915_query->uuid, guid, sizeof(i915_query->uuid));
memcpy(i915_config, config, sizeof(*config));
int32_t item_length = sizeof(data);
if (intel_i915_query_flags(fd, DRM_I915_QUERY_PERF_CONFIG,
DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID,
i915_query, &item_length))
return false;
memcpy(config, i915_config, sizeof(*config));
return true;
}
static int
i915_perf_version(int drm_fd)
{
int tmp = 0;
intel_gem_get_param(drm_fd, I915_PARAM_PERF_REVISION, &tmp);
return tmp;
}
static void
i915_get_sseu(int drm_fd, struct drm_i915_gem_context_param_sseu *sseu)
{
struct drm_i915_gem_context_param arg = {
.param = I915_CONTEXT_PARAM_SSEU,
.size = sizeof(*sseu),
.value = (uintptr_t) sseu
};
intel_ioctl(drm_fd, DRM_IOCTL_I915_GEM_CONTEXT_GETPARAM, &arg);
}
bool
i915_oa_metrics_available(struct intel_perf_config *perf, int fd, bool use_register_snapshots)
{
bool i915_perf_oa_available = false;
struct stat sb;
perf->i915_query_supported = i915_query_perf_config_supported(perf, fd);
perf->i915_perf_version = i915_perf_version(fd);
/* Record the default SSEU configuration. */
i915_get_sseu(fd, &perf->sseu);
/* The existence of this sysctl parameter implies the kernel supports
* the i915 perf interface.
*/
if (stat("/proc/sys/dev/i915/perf_stream_paranoid", &sb) == 0) {
/* If _paranoid == 1 then on Gfx8+ we won't be able to access OA
* metrics unless running as root.
*/
if (perf->devinfo->platform == INTEL_PLATFORM_HSW)
i915_perf_oa_available = true;
else {
uint64_t paranoid = 1;
read_file_uint64("/proc/sys/dev/i915/perf_stream_paranoid", &paranoid);
if (paranoid == 0 || geteuid() == 0)
i915_perf_oa_available = true;
}
}
return i915_perf_oa_available;
}