Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1344729
| From | Arnaldo Carvalho de Melo <acme@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy |
| Date | 2016-02-26 22:50 +0100 |
| Message-ID | <r6yqU-W4-39@gated-at.bofh.it> (permalink) |
| References | <r6vMm-7w1-7@gated-at.bofh.it> <r6vMm-7w1-5@gated-at.bofh.it> <r6yqT-W4-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Em Fri, Feb 26, 2016 at 06:43:07PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Sat, Feb 27, 2016 at 03:52:46AM +0900, Namhyung Kim escreveu:
> > 37.50% 0xffff8803f7669400
> > 37.50% 448
> > 37.50% 66080
> > 10.42% 0xffff8803f766be00
> > 8.33% 96
> > 8.33% 66080
> > 2.08% 512
> > 2.08% 67280
> >
> > After:
> >
> > # Overhead ptr / bytes_req / gfp_flags
> > # .............. ..........................................
> > 37.50% 0xffff8803f7669400
> > 37.50% 448
> > 37.50% GFP_ATOMIC|GFP_NOWARN|GFP_NOMEMALLOC
>
> So, I'm not getting this translation, it looks just like before. So I
> tried the non-hierarchy mode and got this [FAILED TO PARSE] on each
> line:
>
> Samples: 107 of event 'kmem:kmalloc', Event count (approx.): 107
> Overhead Trace output
> 33.64% [FAILED TO PARSE] call_site=0xffffffff811a0747 ptr=0xffff880109c54000 bytes_req=4096 bytes_alloc=4096 gfp_flags=37748928 ▒
>
> Investigating...
Further (lots of!) info:
[root@jouet ~]# cat /sys/kernel/debug/tracing/events/kmem/kmalloc/format
name: kmalloc
ID: 424
format:
field:unsigned short common_type; offset:0; size:2; signed:0;
field:unsigned char common_flags; offset:2; size:1; signed:0;
field:unsigned char common_preempt_count; offset:3; size:1; signed:0;
field:int common_pid; offset:4; size:4; signed:1;
field:unsigned long call_site; offset:8; size:8; signed:0;
field:const void * ptr; offset:16; size:8; signed:0;
field:size_t bytes_req; offset:24; size:8; signed:0;
field:size_t bytes_alloc; offset:32; size:8; signed:0;
field:gfp_t gfp_flags; offset:40; size:4; signed:0;
print fmt: "call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s", REC->call_site, REC->ptr, REC->bytes_req, REC->bytes_alloc, (REC->gfp_flags) ? __print_flags(REC->gfp_flags, "|", {(unsigned long)((((((( gfp_t)(0x400000u|0x2000000u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) | (( gfp_t)0x20000u)) | (( gfp_t)0x02u)) | (( gfp_t)0x08u)) | (( gfp_t)0x4000u) | (( gfp_t)0x10000u) | (( gfp_t)0x1000u) | (( gfp_t)0x200u)) & ~(( gfp_t)0x2000000u)), "GFP_TRANSHUGE"}, {(unsigned long)((((( gfp_t)(0x400000u|0x2000000u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) | (( gfp_t)0x20000u)) | (( gfp_t)0x02u)) | (( gfp_t)0x08u)), "GFP_HIGHUSER_MOVABLE"}, {(unsigned long)(((( gfp_t)(0x400000u|0x2000000u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) | (( gfp_t)0x20000u)) | (( gfp_t)0x02u)), "GFP_HIGHUSER"}, {(unsigned long)((( gfp_t)(0x400000u|0x2000000u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) | (( gfp_t)0x20000u)), "GFP_USER"}, {(unsigned long)((( gfp_t)(0x400000u|0x2000000u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) | (( gfp_t)0x10u)), "GFP_TEMPORARY"}, {(unsigned long)((( gfp_t)(0x400000u|0x2000000u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u)), "GFP_KERNEL"}, {(unsigned long)((( gfp_t)(0x400000u|0x2000000u)) | (( gfp_t)0x40u)), "GFP_NOFS"}, {(unsigned long)((( gfp_t)0x20u)|(( gfp_t)0x80000u)|(( gfp_t)0x2000000u)), "GFP_ATOMIC"}, {(unsigned long)((( gfp_t)(0x400000u|0x2000000u))), "GFP_NOIO"}, {(unsigned long)(( gfp_t)0x20u), "GFP_HIGH"}, {(unsigned long)(( gfp_t)0x80000u), "GFP_ATOMIC"}, {(unsigned long)(( gfp_t)0x40u), "GFP_IO"}, {(unsigned long)(( gfp_t)0x100u), "GFP_COLD"}, {(unsigned long)(( gfp_t)0x200u), "GFP_NOWARN"}, {(unsigned long)(( gfp_t)0x400u), "GFP_REPEAT"}, {(unsigned long)(( gfp_t)0x800u), "GFP_NOFAIL"}, {(unsigned long)(( gfp_t)0x1000u), "GFP_NORETRY"}, {(unsigned long)(( gfp_t)0x4000u), "GFP_COMP"}, {(unsigned long)(( gfp_t)0x8000u), "GFP_ZERO"}, {(unsigned long)(( gfp_t)0x10000u), "GFP_NOMEMALLOC"}, {(unsigned long)(( gfp_t)0x2000u), "GFP_MEMALLOC"}, {(unsigned long)(( gfp_t)0x20000u), "GFP_HARDWALL"}, {(unsigned long)(( gfp_t)0x40000u), "GFP_THISNODE"}, {(unsigned long)(( gfp_t)0x10u), "GFP_RECLAIMABLE"}, {(unsigned long)(( gfp_t)0x08u), "GFP_MOVABLE"}, {(unsigned long)(( gfp_t)0x200000u), "GFP_NOTRACK"}, {(unsigned long)(( gfp_t)0x400000u), "GFP_DIRECT_RECLAIM"}, {(unsigned long)(( gfp_t)0x2000000u), "GFP_KSWAPD_RECLAIM"}, {(unsigned long)(( gfp_t)0x800000u), "GFP_OTHER_NODE"} ) : "GFP_NOWAIT"
[root@jouet ~]# uname -a
Linux jouet 4.5.0-rc4 #1 SMP Mon Feb 22 15:53:36 BRT 2016 x86_64 x86_64 x86_64 GNU/Linux
[root@jouet ~]#
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 4/5] perf report: Fix dynamic entry display in hierarchy Namhyung Kim <namhyung@kernel.org> - 2016-02-26 20:00 +0100
Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-26 22:50 +0100
Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-26 22:50 +0100
Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-26 23:10 +0100
Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-26 23:30 +0100
Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy Steven Rostedt <rostedt@goodmis.org> - 2016-02-26 23:30 +0100
Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-26 23:40 +0100
Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy Jiri Olsa <jolsa@redhat.com> - 2016-02-27 00:20 +0100
Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy Jiri Olsa <jolsa@redhat.com> - 2016-02-27 00:20 +0100
[PATCH] tools lib traceevent: Add '~' operation within arg_num_eval() Steven Rostedt <rostedt@goodmis.org> - 2016-02-27 00:20 +0100
Re: [PATCH] tools lib traceevent: Add '~' operation within arg_num_eval() Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-27 00:40 +0100
Re: [PATCH] tools lib traceevent: Add '~' operation within arg_num_eval() David Ahern <dsahern@gmail.com> - 2016-02-27 00:50 +0100
[tip:perf/core] perf hists: Fix dynamic entry display in hierarchy tip-bot for Namhyung Kim <tipbot@zytor.com> - 2016-02-27 10:50 +0100
csiph-web