<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> <div class="moz-cite-prefix">Hi Kevin, well that copies the string into the ring buffer every time the trace event is called which is not necessary a good idea for a constant string. Can't we avoid that somehow? Thanks, Christian. Am 16.10.19 um 14:01 schrieb Wang, Kevin(Yang): </div> <blockquote type="cite" cite="mid:MN2PR12MB329607EB61BBC2CB91F8972FA2920@MN2PR12MB3296.namprd12.prod.outlook.com"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> add <a id="OWAAM231809" class="_1OtrSZdhKXVv3UhaivrdJ4 mention ms-bgc-nlr ms-fcl-b" href="mailto:Christian.Koenig@amd.com" moz-do-not-send="true"> @Koenig, Christian</a>,</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> could you help me review it?</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Best Regards, Kevin</div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> </div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="divRplyFwdMsg" dir="ltr">From: Wang, Kevin(Yang) <a class="moz-txt-link-rfc2396E" href="mailto:Kevin1.Wang@amd.com"><Kevin1.Wang@amd.com></a> Sent: Wednesday, October 16, 2019 11:06 AM To: <a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org"> amd-gfx@lists.freedesktop.org</a> <a class="moz-txt-link-rfc2396E" href="mailto:amd-gfx@lists.freedesktop.org"> <amd-gfx@lists.freedesktop.org></a> Cc: Wang, Kevin(Yang) <a class="moz-txt-link-rfc2396E" href="mailto:Kevin1.Wang@amd.com"> <Kevin1.Wang@amd.com></a> Subject: [PATCH] drm/amdgpu: fix amdgpu trace event print string format error <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">the trace event print string format error. (use integer type to handle string) before: amdgpu_test_kev-1556 [002] 138.508781: amdgpu_cs_ioctl: sched_job=8, timeline=gfx_0.0.0, context=177, seqno=1, ring_name=ffff94d01c207bf0, num_ibs=2 after: amdgpu_test_kev-1506 [004] 370.703783: amdgpu_cs_ioctl: sched_job=12, timeline=gfx_0.0.0, context=234, seqno=2, ring_name=gfx_0.0.0, num_ibs=1 change trace event list: 1.amdgpu_cs_ioctl 2.amdgpu_sched_run_job 3.amdgpu_ib_pipe_sync Signed-off-by: Kevin Wang <a class="moz-txt-link-rfc2396E" href="mailto:kevin1.wang@amd.com"> <kevin1.wang@amd.com></a> --- drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h index 8227ebd0f511..f940526c5889 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h @@ -170,7 +170,7 @@ TRACE_EVENT(amdgpu_cs_ioctl, __field(unsigned int, context) __field(unsigned int, seqno) __field(struct dma_fence *, fence) - __field(char *, ring_name) + __string(ring, to_amdgpu_ring(job->base.sched)->name) __field(u32, num_ibs) ), @@ -179,12 +179,12 @@ TRACE_EVENT(amdgpu_cs_ioctl, __assign_str(timeline, AMDGPU_JOB_GET_TIMELINE_NAME(job)) __entry->context = job->base.s_fence->finished.context; __entry->seqno = job->base.s_fence->finished.seqno; - __entry->ring_name = to_amdgpu_ring(job->base.sched)->name; + __assign_str(ring, to_amdgpu_ring(job->base.sched)->name) __entry->num_ibs = job->num_ibs; ), TP_printk("sched_job=%llu, timeline=%s, context=%u, seqno=%u, ring_name=%s, num_ibs=%u", __entry->sched_job_id, __get_str(timeline), __entry->context, - __entry->seqno, __entry->ring_name, __entry->num_ibs) + __entry->seqno, __get_str(ring), __entry->num_ibs) ); TRACE_EVENT(amdgpu_sched_run_job, @@ -195,7 +195,7 @@ TRACE_EVENT(amdgpu_sched_run_job, __string(timeline, AMDGPU_JOB_GET_TIMELINE_NAME(job)) __field(unsigned int, context) __field(unsigned int, seqno) - __field(char *, ring_name) + __string(ring, to_amdgpu_ring(job->base.sched)->name) __field(u32, num_ibs) ), @@ -204,12 +204,12 @@ TRACE_EVENT(amdgpu_sched_run_job, __assign_str(timeline, AMDGPU_JOB_GET_TIMELINE_NAME(job)) __entry->context = job->base.s_fence->finished.context; __entry->seqno = job->base.s_fence->finished.seqno; - __entry->ring_name = to_amdgpu_ring(job->base.sched)->name; + __assign_str(ring, to_amdgpu_ring(job->base.sched)->name) __entry->num_ibs = job->num_ibs; ), TP_printk("sched_job=%llu, timeline=%s, context=%u, seqno=%u, ring_name=%s, num_ibs=%u", __entry->sched_job_id, __get_str(timeline), __entry->context, - __entry->seqno, __entry->ring_name, __entry->num_ibs) + __entry->seqno, __get_str(ring), __entry->num_ibs) ); @@ -473,7 +473,7 @@ TRACE_EVENT(amdgpu_ib_pipe_sync, TP_PROTO(struct amdgpu_job *sched_job, struct dma_fence *fence), TP_ARGS(sched_job, fence), TP_STRUCT__entry( - __field(const char *,name) + __string(ring, sched_job->base.sched->name); __field(uint64_t, id) __field(struct dma_fence *, fence) __field(uint64_t, ctx) @@ -481,14 +481,14 @@ TRACE_EVENT(amdgpu_ib_pipe_sync, ), TP_fast_assign( - __entry->name = sched_job->base.sched->name; + __assign_str(ring, sched_job->base.sched->name) __entry->id = sched_job->base.id; __entry->fence = fence; __entry->ctx = fence->context; __entry->seqno = fence->seqno; ), TP_printk("job ring=%s, id=%llu, need pipe sync to fence=%p, context=%llu, seq=%u", - __entry->name, __entry->id, + __get_str(ring), __entry->id, __entry->fence, __entry->ctx, __entry->seqno) ); -- 2.17.1 </div> </div> </blockquote> </body> </html>