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| author | Midas Chien <midaschieh@google.com> | 2020-11-12 22:52:12 +0800 |
|---|---|---|
| committer | Midas Chien <midaschieh@google.com> | 2020-11-17 03:52:09 +0000 |
| commit | 3e4e053ffa3bad960bb08d6f90dab732decf3d6e (patch) | |
| tree | 67ed2dabd65d7b42e16bc1547a9d9bd7d5ad5795 /samsung/exynos_drm_dsim.c | |
| parent | 2659960d916be217ebf1dba3ac97e4fb3f770ca4 (diff) | |
| download | display-3e4e053ffa3bad960bb08d6f90dab732decf3d6e.tar.gz | |
drm: samsung: add dpu underrun trace
Put dpu underrun info to ftrace for collecting metrics.
Bug: 171381940
Test: use trace_processor_shell to check metrics
Change-Id: Ia0023b57805d963a48419a7adf7c77884543e07c
Signed-off-by: Midas Chien <midaschieh@google.com>
Diffstat (limited to 'samsung/exynos_drm_dsim.c')
| -rw-r--r-- | samsung/exynos_drm_dsim.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/samsung/exynos_drm_dsim.c b/samsung/exynos_drm_dsim.c index 05a1fa2..45db606 100644 --- a/samsung/exynos_drm_dsim.c +++ b/samsung/exynos_drm_dsim.c @@ -48,6 +48,8 @@ #include <regs-dsim.h> +#include <trace/dpu_trace.h> + #include "exynos_drm_crtc.h" #include "exynos_drm_decon.h" #include "exynos_drm_dsim.h" @@ -967,9 +969,11 @@ static irqreturn_t dsim_irq_handler(int irq, void *dev_id) } if (int_src & DSIM_INTSRC_UNDER_RUN) { + DPU_ATRACE_INT("DPU_UNDERRUN", 1); dsim_underrun_info(dsim); if (decon) DPU_EVENT_LOG(DPU_EVT_DSIM_UNDERRUN, decon->id, NULL); + DPU_ATRACE_INT("DPU_UNDERRUN", 0); } if (int_src & DSIM_INTSRC_VT_STATUS) { |