Messages in this thread | | | Subject | Re: [PATCH 1/8] media: hantro: Trace hevc hw cycles performance register | From | Benjamin Gaignard <> | Date | Mon, 14 Jun 2021 09:45:45 +0200 |
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Le 13/06/2021 à 11:55, Hans Verkuil a écrit : > On 13/06/2021 11:53, Hans Verkuil wrote: >> On 04/06/2021 15:06, Benjamin Gaignard wrote: >>> After each hevc decoded frame trace the hardware performance. >>> It provides the number of hw cycles spend per decoded macroblock. >>> >>> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> >>> --- >>> drivers/staging/media/hantro/hantro_drv.c | 3 ++ >>> .../staging/media/hantro/hantro_g2_hevc_dec.c | 16 ++++++++ >>> drivers/staging/media/hantro/hantro_g2_regs.h | 1 + >>> drivers/staging/media/hantro/hantro_hw.h | 1 + >>> drivers/staging/media/hantro/imx8m_vpu_hw.c | 1 + >>> drivers/staging/media/hantro/trace.h | 40 +++++++++++++++++++ >> Can you rename this to hantro_trace.h? I prefer to have the driver prefix in the name. > Ah, I accidentally replied to the v1, but the same comment applies to v2.
I have fix that, it will be in v3. I just wait for more feedback before send it.
Thanks, Benjamin
> > Regards, > > Hans > >> Regards, >> >> Hans >> >>> 6 files changed, 62 insertions(+) >>> create mode 100644 drivers/staging/media/hantro/trace.h >>> >>> diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c >>> index dbc69ee0b562..6053c86b1c3f 100644 >>> --- a/drivers/staging/media/hantro/hantro_drv.c >>> +++ b/drivers/staging/media/hantro/hantro_drv.c >>> @@ -28,6 +28,9 @@ >>> #include "hantro.h" >>> #include "hantro_hw.h" >>> >>> +#define CREATE_TRACE_POINTS >>> +#include "trace.h" >>> + >>> #define DRIVER_NAME "hantro-vpu" >>> >>> int hantro_debug; >>> diff --git a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c >>> index 340efb57fd18..89fac5146433 100644 >>> --- a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c >>> +++ b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c >>> @@ -7,6 +7,7 @@ >>> >>> #include "hantro_hw.h" >>> #include "hantro_g2_regs.h" >>> +#include "trace.h" >>> >>> #define HEVC_DEC_MODE 0xC >>> >>> @@ -22,6 +23,21 @@ static inline void hantro_write_addr(struct hantro_dev *vpu, >>> vdpu_write(vpu, addr & 0xffffffff, offset); >>> } >>> >>> +void hantro_g2_hevc_dec_done(struct hantro_ctx *ctx) >>> +{ >>> + const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls; >>> + const struct v4l2_ctrl_hevc_sps *sps = ctrls->sps; >>> + struct hantro_dev *vpu = ctx->dev; >>> + u32 hw_cycles = 0; >>> + u32 mbs = (sps->pic_width_in_luma_samples * >>> + sps->pic_height_in_luma_samples) >> 8; >>> + >>> + if (mbs) >>> + hw_cycles = vdpu_read(vpu, G2_HW_PERFORMANCE) / mbs; >>> + >>> + trace_hantro_hevc_perf(ctx, hw_cycles); >>> +} >>> + >>> static void prepare_tile_info_buffer(struct hantro_ctx *ctx) >>> { >>> struct hantro_dev *vpu = ctx->dev; >>> diff --git a/drivers/staging/media/hantro/hantro_g2_regs.h b/drivers/staging/media/hantro/hantro_g2_regs.h >>> index bb22fa921914..17d84ec9c5c2 100644 >>> --- a/drivers/staging/media/hantro/hantro_g2_regs.h >>> +++ b/drivers/staging/media/hantro/hantro_g2_regs.h >>> @@ -177,6 +177,7 @@ >>> #define G2_REG_CONFIG_DEC_CLK_GATE_E BIT(16) >>> #define G2_REG_CONFIG_DEC_CLK_GATE_IDLE_E BIT(17) >>> >>> +#define G2_HW_PERFORMANCE (G2_SWREG(63)) >>> #define G2_ADDR_DST (G2_SWREG(65)) >>> #define G2_REG_ADDR_REF(i) (G2_SWREG(67) + ((i) * 0x8)) >>> #define G2_ADDR_DST_CHR (G2_SWREG(99)) >>> diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h >>> index 5737a7707944..8fa0aacb61cd 100644 >>> --- a/drivers/staging/media/hantro/hantro_hw.h >>> +++ b/drivers/staging/media/hantro/hantro_hw.h >>> @@ -240,6 +240,7 @@ void hantro_h264_dec_exit(struct hantro_ctx *ctx); >>> int hantro_hevc_dec_init(struct hantro_ctx *ctx); >>> void hantro_hevc_dec_exit(struct hantro_ctx *ctx); >>> int hantro_g2_hevc_dec_run(struct hantro_ctx *ctx); >>> +void hantro_g2_hevc_dec_done(struct hantro_ctx *ctx); >>> int hantro_hevc_dec_prepare_run(struct hantro_ctx *ctx); >>> dma_addr_t hantro_hevc_get_ref_buf(struct hantro_ctx *ctx, int poc); >>> void hantro_hevc_ref_remove_unused(struct hantro_ctx *ctx); >>> diff --git a/drivers/staging/media/hantro/imx8m_vpu_hw.c b/drivers/staging/media/hantro/imx8m_vpu_hw.c >>> index ea919bfb9891..7e9e24bb5057 100644 >>> --- a/drivers/staging/media/hantro/imx8m_vpu_hw.c >>> +++ b/drivers/staging/media/hantro/imx8m_vpu_hw.c >>> @@ -239,6 +239,7 @@ static const struct hantro_codec_ops imx8mq_vpu_g2_codec_ops[] = { >>> .reset = imx8m_vpu_g2_reset, >>> .init = hantro_hevc_dec_init, >>> .exit = hantro_hevc_dec_exit, >>> + .done = hantro_g2_hevc_dec_done, >>> }, >>> }; >>> >>> diff --git a/drivers/staging/media/hantro/trace.h b/drivers/staging/media/hantro/trace.h >>> new file mode 100644 >>> index 000000000000..8abe5ddb4814 >>> --- /dev/null >>> +++ b/drivers/staging/media/hantro/trace.h >>> @@ -0,0 +1,40 @@ >>> +/* SPDX-License-Identifier: GPL-2.0 */ >>> +#undef TRACE_SYSTEM >>> +#define TRACE_SYSTEM hantro >>> + >>> +#if !defined(__HANTRO_TRACE_H__) || defined(TRACE_HEADER_MULTI_READ) >>> +#define __HANTRO_TRACE_H__ >>> + >>> +#include <linux/tracepoint.h> >>> +#include <media/videobuf2-v4l2.h> >>> + >>> +#include "hantro.h" >>> + >>> +TRACE_EVENT(hantro_hevc_perf, >>> + TP_PROTO(struct hantro_ctx *ctx, u32 hw_cycles), >>> + >>> + TP_ARGS(ctx, hw_cycles), >>> + >>> + TP_STRUCT__entry( >>> + __field(int, minor) >>> + __field(u32, hw_cycles) >>> + ), >>> + >>> + TP_fast_assign( >>> + __entry->minor = ctx->fh.vdev->minor; >>> + __entry->hw_cycles = hw_cycles; >>> + ), >>> + >>> + TP_printk("minor = %d, %8d cycles / mb", >>> + __entry->minor, __entry->hw_cycles) >>> +); >>> + >>> +#endif /* __HANTRO_TRACE_H__ */ >>> + >>> +#undef TRACE_INCLUDE_PATH >>> +#define TRACE_INCLUDE_PATH ../../drivers/staging/media/hantro >>> +#undef TRACE_INCLUDE_FILE >>> +#define TRACE_INCLUDE_FILE trace >>> + >>> +/* This part must be outside protection */ >>> +#include <trace/define_trace.h> >>>
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