From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Jiri Olsa <jolsa@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
David Ahern <dsahern@gmail.com>, Andi Kleen <andi@firstfloor.org>,
Stephane Eranian <eranian@google.com>,
Wang Nan <wangnan0@huawei.com>
Subject: Re: [PATCH 4/5] perf report: Fix dynamic entry display in hierarchy
Date: Fri, 26 Feb 2016 18:45:06 -0300 [thread overview]
Message-ID: <20160226214506.GY8720@kernel.org> (raw)
In-Reply-To: <20160226214307.GX8720@kernel.org>
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 ~]#
next prev parent reply other threads:[~2016-02-26 21:45 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-26 18:52 [PATCH 1/5] perf report: Fix comparing of dynamic entries Namhyung Kim
2016-02-26 18:52 ` [PATCH 2/5] perf report: Fix indentation of dynamic entries in hierarchy Namhyung Kim
2016-02-27 9:43 ` [tip:perf/core] " tip-bot for Namhyung Kim
2016-02-26 18:52 ` [PATCH 3/5] perf report: Left align " Namhyung Kim
2016-02-27 9:43 ` [tip:perf/core] " tip-bot for Namhyung Kim
2016-02-26 18:52 ` [PATCH 4/5] perf report: Fix dynamic entry display " Namhyung Kim
2016-02-26 21:43 ` Arnaldo Carvalho de Melo
2016-02-26 21:45 ` Arnaldo Carvalho de Melo [this message]
2016-02-26 22:08 ` Arnaldo Carvalho de Melo
2016-02-26 22:24 ` Arnaldo Carvalho de Melo
2016-02-26 22:26 ` Steven Rostedt
2016-02-26 22:37 ` Arnaldo Carvalho de Melo
2016-02-26 23:12 ` Jiri Olsa
2016-02-26 23:13 ` Jiri Olsa
2016-02-26 23:13 ` [PATCH] tools lib traceevent: Add '~' operation within arg_num_eval() Steven Rostedt
2016-02-26 23:39 ` Arnaldo Carvalho de Melo
2016-02-26 23:45 ` David Ahern
2016-03-10 16:16 ` David Ahern
2016-03-10 19:28 ` Arnaldo Carvalho de Melo
2016-03-11 8:47 ` [tip:perf/core] " tip-bot for Steven Rostedt
2016-02-27 9:44 ` [tip:perf/core] perf hists: Fix dynamic entry display in hierarchy tip-bot for Namhyung Kim
2016-02-26 18:52 ` [PATCH 5/5] perf report: Update column width of dynamic entries Namhyung Kim
2016-02-26 22:43 ` Arnaldo Carvalho de Melo
2016-02-27 9:44 ` [tip:perf/core] " tip-bot for Namhyung Kim
2016-02-26 21:23 ` [PATCH 1/5] perf report: Fix comparing " Jiri Olsa
2016-02-27 9:43 ` [tip:perf/core] perf hists: " tip-bot for Namhyung Kim
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