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authorNirmoy Das <nirmoy.das@intel.com>2024-07-17 14:59:50 +0200
committerNirmoy Das <nirmoy.das@intel.com>2024-07-18 10:43:43 +0200
commit275aa53f59df769802f28a0a623019aadab2e05d (patch)
tree9254b2c8c580432394f887ad3c5852fe112d96dd
parentdrm/xe/fbdev: Limit the usage of stolen for LNL+ (diff)
downloadlinux-275aa53f59df769802f28a0a623019aadab2e05d.tar.xz
linux-275aa53f59df769802f28a0a623019aadab2e05d.zip
drm/xe/pm: Add trace for pm functions
Add trace for xe pm function for better debuggability. v2: Fix indentation and add trace for xe_pm_runtime_get_ioctl Cc: Matthew Brost <matthew.brost@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240717125950.9952-1-nirmoy.das@intel.com Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
-rw-r--r--drivers/gpu/drm/xe/xe_pm.c8
-rw-r--r--drivers/gpu/drm/xe/xe_trace.h52
2 files changed, 60 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c
index de3b5df65e48..9f3c14fd9f33 100644
--- a/drivers/gpu/drm/xe/xe_pm.c
+++ b/drivers/gpu/drm/xe/xe_pm.c
@@ -20,6 +20,7 @@
#include "xe_guc.h"
#include "xe_irq.h"
#include "xe_pcode.h"
+#include "xe_trace.h"
#include "xe_wa.h"
/**
@@ -87,6 +88,7 @@ int xe_pm_suspend(struct xe_device *xe)
int err;
drm_dbg(&xe->drm, "Suspending device\n");
+ trace_xe_pm_suspend(xe, __builtin_return_address(0));
for_each_gt(gt, xe, id)
xe_gt_suspend_prepare(gt);
@@ -131,6 +133,7 @@ int xe_pm_resume(struct xe_device *xe)
int err;
drm_dbg(&xe->drm, "Resuming device\n");
+ trace_xe_pm_resume(xe, __builtin_return_address(0));
for_each_tile(tile, xe, id)
xe_wa_apply_tile_workarounds(tile);
@@ -326,6 +329,7 @@ int xe_pm_runtime_suspend(struct xe_device *xe)
u8 id;
int err = 0;
+ trace_xe_pm_runtime_suspend(xe, __builtin_return_address(0));
/* Disable access_ongoing asserts and prevent recursive pm calls */
xe_pm_write_callback_task(xe, current);
@@ -399,6 +403,7 @@ int xe_pm_runtime_resume(struct xe_device *xe)
u8 id;
int err = 0;
+ trace_xe_pm_runtime_resume(xe, __builtin_return_address(0));
/* Disable access_ongoing asserts and prevent recursive pm calls */
xe_pm_write_callback_task(xe, current);
@@ -463,6 +468,7 @@ static void pm_runtime_lockdep_prime(void)
*/
void xe_pm_runtime_get(struct xe_device *xe)
{
+ trace_xe_pm_runtime_get(xe, __builtin_return_address(0));
pm_runtime_get_noresume(xe->drm.dev);
if (xe_pm_read_callback_task(xe) == current)
@@ -478,6 +484,7 @@ void xe_pm_runtime_get(struct xe_device *xe)
*/
void xe_pm_runtime_put(struct xe_device *xe)
{
+ trace_xe_pm_runtime_put(xe, __builtin_return_address(0));
if (xe_pm_read_callback_task(xe) == current) {
pm_runtime_put_noidle(xe->drm.dev);
} else {
@@ -495,6 +502,7 @@ void xe_pm_runtime_put(struct xe_device *xe)
*/
int xe_pm_runtime_get_ioctl(struct xe_device *xe)
{
+ trace_xe_pm_runtime_get_ioctl(xe, __builtin_return_address(0));
if (WARN_ON(xe_pm_read_callback_task(xe) == current))
return -ELOOP;
diff --git a/drivers/gpu/drm/xe/xe_trace.h b/drivers/gpu/drm/xe/xe_trace.h
index baba14fb1e32..1abdb30cb7ad 100644
--- a/drivers/gpu/drm/xe/xe_trace.h
+++ b/drivers/gpu/drm/xe/xe_trace.h
@@ -369,6 +369,58 @@ TRACE_EVENT(xe_reg_rw,
(u32)(__entry->val >> 32))
);
+DECLARE_EVENT_CLASS(xe_pm_runtime,
+ TP_PROTO(struct xe_device *xe, void *caller),
+ TP_ARGS(xe, caller),
+
+ TP_STRUCT__entry(
+ __string(dev, __dev_name_xe(xe))
+ __field(void *, caller)
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev);
+ __entry->caller = caller;
+ ),
+
+ TP_printk("dev=%s caller_function=%pS", __get_str(dev), __entry->caller)
+);
+
+DEFINE_EVENT(xe_pm_runtime, xe_pm_runtime_get,
+ TP_PROTO(struct xe_device *xe, void *caller),
+ TP_ARGS(xe, caller)
+);
+
+DEFINE_EVENT(xe_pm_runtime, xe_pm_runtime_put,
+ TP_PROTO(struct xe_device *xe, void *caller),
+ TP_ARGS(xe, caller)
+);
+
+DEFINE_EVENT(xe_pm_runtime, xe_pm_resume,
+ TP_PROTO(struct xe_device *xe, void *caller),
+ TP_ARGS(xe, caller)
+);
+
+DEFINE_EVENT(xe_pm_runtime, xe_pm_suspend,
+ TP_PROTO(struct xe_device *xe, void *caller),
+ TP_ARGS(xe, caller)
+);
+
+DEFINE_EVENT(xe_pm_runtime, xe_pm_runtime_resume,
+ TP_PROTO(struct xe_device *xe, void *caller),
+ TP_ARGS(xe, caller)
+);
+
+DEFINE_EVENT(xe_pm_runtime, xe_pm_runtime_suspend,
+ TP_PROTO(struct xe_device *xe, void *caller),
+ TP_ARGS(xe, caller)
+);
+
+DEFINE_EVENT(xe_pm_runtime, xe_pm_runtime_get_ioctl,
+ TP_PROTO(struct xe_device *xe, void *caller),
+ TP_ARGS(xe, caller)
+);
+
#endif
/* This part must be outside protection */