Re: [PATCH v12 1/8] perf tests: Skip backward ring buffer on old kernel

2016-07-01 Thread pi3orama
发自我的 iPhone > 在 2016年7月1日,下午9:40,Arnaldo Carvalho de Melo 写道: > > Em Fri, Jul 01, 2016 at 02:23:44AM +, Wang Nan escreveu: >> From: Arnaldo Carvalho de Melo >> >> 'perf test backward' FAILED on old kernel: >> >> [root@jouet ~]# perf test -v backward >> 45: Test backward reading from rin

Re: [RFC PATCH v2 00/26] perf tools: Support uBPF script

2016-06-29 Thread pi3orama
发自我的 iPhone > 在 2016年6月29日,下午8:37,Alexei Starovoitov 写道: > >> On Wed, Jun 29, 2016 at 06:35:12PM +0800, Wangnan (F) wrote: >> >> >>> On 2016/6/29 18:15, Hekuang wrote: >>> hi >>> 在 2016/6/28 22:57, Alexei Starovoitov 写道: return 0; } @@ -465,7 +465,7 @@ EXPOR

Re: [PATCH v2 0/7] perf ctf: Convert comm, fork and exit events to CTF

2016-06-24 Thread pi3orama
发自我的 iPhone > 在 2016年6月24日,下午8:41,Arnaldo Carvalho de Melo 写道: > > Em Fri, Jun 24, 2016 at 02:29:07PM +0200, Jiri Olsa escreveu: >> On Fri, Jun 24, 2016 at 11:22:05AM +, Wang Nan wrote: >>> After converting perf.data to CTF, we lost pid-tid-comm mapping. Which >>> makes inconvience. For ex

Re: [PATCH v2 0/7] perf ctf: Convert comm, fork and exit events to CTF

2016-06-24 Thread pi3orama
发自我的 iPhone > 在 2016年6月24日,下午8:29,Jiri Olsa 写道: > >> On Fri, Jun 24, 2016 at 11:22:05AM +, Wang Nan wrote: >> After converting perf.data to CTF, we lost pid-tid-comm mapping. Which >> makes inconvience. For example, in perf script output we know which >> process issue an event like this: >

Re: [PATCH v10 07/10] perf record: Read from overwritable ring buffer

2016-06-23 Thread pi3orama
发自我的 iPhone > 在 2016年6月23日,下午10:27,Nilay Vaish 写道: > >> On 23 June 2016 at 00:27, Wang Nan wrote: >> @@ -542,6 +568,79 @@ static struct perf_event_header finished_round_event = { >>.type = PERF_RECORD_FINISHED_ROUND, >> }; >> >> +static void >> +record__toggle_overwrite_evsels(struct

Re: [RFC PATCH 05/13] bpf tools: Save engine type in bpf_program

2016-04-20 Thread pi3orama
发自我的 iPhone > 在 2016年4月21日,上午3:23,Arnaldo Carvalho de Melo 写道: > > Em Wed, Apr 20, 2016 at 06:01:45PM +, Wang Nan escreveu: >> [SNIP] >> >> +if (prog->engine == ENGINE_UNKNOWN) >> +prog->engine = ENGINE_KBPF; >> +if (prog->engine != ENGINE_KBPF) > >else if (prog->e

Re: [PATCH 3/5] perf core: Prepare writing into ring buffer from end

2016-03-27 Thread pi3orama
发自我的 iPhone > 在 2016年3月27日,下午11:20,Peter Zijlstra 写道: > > On Fri, Mar 25, 2016 at 10:14:36PM +0800, Wangnan (F) wrote: I think you enabled some unusual config options? > > x86_64-defconfig > >>> You must enabled CONFIG_OPTIMIZE_INLINING. Now I get similar result: > > It has that indeed

Re: [PATCH 14/54] perf tools: Support setting different slots in a BPF map separately

2016-02-12 Thread pi3orama
发自我的 iPhone > 在 2016年2月12日,下午10:23,Jiri Olsa 写道: > > On Fri, Feb 05, 2016 at 02:01:39PM +, Wang Nan wrote: > > SNIP > >> >> +int parse_events__merge_arrays(struct parse_events_array *dest, >> + struct parse_events_array *another) >> +{ >> +struct parse_events_array

Re: [PATCH 12/54] perf tools: Enable config raw and numeric events

2016-02-12 Thread pi3orama
发自我的 iPhone > 在 2016年2月12日,下午9:52,Jiri Olsa 写道: > >> On Fri, Feb 05, 2016 at 02:01:37PM +, Wang Nan wrote: >> This patch allows setting config terms for raw and numeric events. >> For example: >> >> # perf stat -e cycles/name=cyc/ ls >> ... >> 1821108 cyc >> ... >> >> # perf stat -e

Re: [PATCH 00/10] bpf samples: Uses libbpf in tools/lib to do BPF operations

2015-12-18 Thread pi3orama
发自我的 iPhone > 在 2015年12月18日,下午8:55,Daniel Wagner 写道: > >> On 12/18/2015 12:03 PM, Wangnan (F) wrote: >> That's good. This is not a magic. > > That is what you say! :) > >> I guess something in your top makefile >> causes this feature check failure. I sent a patch on feature checker to >> you

Re: [PATCH 08/10] bpf samples: Add utils.[ch] for using BPF

2015-12-18 Thread pi3orama
发自我的 iPhone > 在 2015年12月18日,下午6:57,Daniel Borkmann 写道: > >> On 12/18/2015 08:04 AM, Wangnan (F) wrote: >> ... >> What I want to do in this patchset is not only removing original libbpf.c >> and bpf_load.c. In fact I want libbpf in tools/lib/bpf becomes a public >> available library for other u

Re: [PATCH v4 09/16] perf tools: Enable indices setting syntax for BPF maps

2015-12-11 Thread pi3orama
发自我的 iPhone > 在 2015年12月11日,下午8:47,Arnaldo Carvalho de Melo 写道: > > Em Fri, Dec 11, 2015 at 08:39:35PM +0800, pi3orama escreveu: >> >> >> 发自我的 iPhone >> >>> 在 2015年12月11日,下午8:15,Arnaldo Carvalho de Melo 写道: >>> >>> Em Fri

Re: [PATCH v4 09/16] perf tools: Enable indices setting syntax for BPF maps

2015-12-11 Thread pi3orama
发自我的 iPhone > 在 2015年12月11日,下午8:15,Arnaldo Carvalho de Melo 写道: > > Em Fri, Dec 11, 2015 at 09:11:45AM -0300, Arnaldo Carvalho de Melo escreveu: >> Em Tue, Dec 08, 2015 at 02:25:37AM +, Wang Nan escreveu: >>> This patch introduce a new syntax to perf event parser: >>> >>> # perf record -e

Re: [PATCH v4 06/16] perf tools: Support perf event alias name

2015-12-11 Thread pi3orama
发自我的 iPhone > 在 2015年12月11日,下午8:03,Arnaldo Carvalho de Melo 写道: > > Em Tue, Dec 08, 2015 at 02:25:34AM +, Wang Nan escreveu: >> From: He Kuang >> >> This patch adds new bison rules for specifying an alias name to a perf >> event, which allows cmdline refer to previous defined perf event

Re: [GIT PULL 00/16] perf/ebpf improvements and fixes

2015-11-18 Thread pi3orama
发自我的 iPhone > 在 2015年11月18日,下午8:44,Arnaldo Carvalho de Melo 写道: > > Em Wed, Nov 18, 2015 at 07:32:38AM +0100, Ingo Molnar escreveu: >> So considering the relatively large diffstat and the fact that we are 3 days >> after >> the closing of the merge window, I think we should separate this int

Re: [PATCH 1/5] perf test: Fix 2 bugs in 'perf test BPF'

2015-11-17 Thread pi3orama
发自我的 iPhone > 在 2015年11月17日,下午8:56,Arnaldo Carvalho de Melo 写道: > > Em Tue, Nov 17, 2015 at 08:32:46AM +, Wang Nan escreveu: >> Two bugs in 'perf test BPF' are found when testing BPF prologue without >> vmlinux: >> >> # mv /lib/modules/4.3.0-rc4+/build/vmlinux{,.bak} >> # ./perf test BPF

Re: [PATCH] perf record: Support custom vmlinux path

2015-11-17 Thread pi3orama
发自我的 iPhone > 在 2015年11月17日,下午8:42,Arnaldo Carvalho de Melo 写道: > > Em Tue, Nov 17, 2015 at 09:33:40AM -0300, Arnaldo Carvalho de Melo escreveu: >> Em Tue, Nov 17, 2015 at 09:44:44AM +, Wang Nan escreveu: >> >> Thanks, applying. > > I take that back, I think this is questionable, we shou

Re: [PATCH] perf symbols/KCORE: Rebuild rbtree when adjusting symbols for kcore

2015-11-06 Thread pi3orama
发自我的 iPhone > 在 2015年11月6日,下午10:03,Arnaldo Carvalho de Melo 写道: > > Em Fri, Nov 06, 2015 at 09:34:55PM +0800, Wangnan (F) escreveu: >> On 2015/11/6 21:19, Arnaldo Carvalho de Melo wrote: >>> Em Fri, Nov 06, 2015 at 09:46:12AM +, Wang Nan escreveu: In dso__split_kallsyms_for_kcore(), c

Re: [PATCH] perf symbols/KCORE: Rebuild rbtree when adjusting symbols for kcore

2015-11-06 Thread pi3orama
发自我的 iPhone > 在 2015年11月6日,下午9:59,Adrian Hunter 写道: > >> On 06/11/15 15:19, Arnaldo Carvalho de Melo wrote: >> Em Fri, Nov 06, 2015 at 09:46:12AM +, Wang Nan escreveu: >>> In dso__split_kallsyms_for_kcore(), current code adjusts symbol's >>> address but only reinsert it into rbtree if the

Re: [PATCH 05/31] perf record: Load eBPF object into kernel

2015-10-23 Thread pi3orama
发自我的 iPhone > 在 2015年10月24日,上午12:58,Arnaldo Carvalho de Melo 写道: > > Em Wed, Oct 14, 2015 at 12:41:16PM +, Wang Nan escreveu: >> This patch utilizes bpf_object__load() provided by libbpf to load all >> objects into kernel. > > So, testing this, using that other proggie, I get; > > # per

Re: [RFC PATCH] perf tools: Don't set inherit bit for system wide evsel

2015-10-23 Thread pi3orama
发自我的 iPhone > 在 2015年10月23日,下午9:51,Arnaldo Carvalho de Melo 写道: > > Em Fri, Oct 23, 2015 at 10:43:49AM +, Wang Nan escreveu: >> Inherit bit is useless for a system wide evsel [1]. Further kernel >> improvements are giving more constrain [2] on inherit events. This >> patch set inherit bit

Re: [PATCH V5 1/1] bpf: control events stored in PERF_EVENT_ARRAY maps trace data output when perf sampling

2015-10-21 Thread pi3orama
发自我的 iPhone > 在 2015年10月21日,下午10:09,Peter Zijlstra 写道: > > On Wed, Oct 21, 2015 at 10:01:46PM +0800, pi3orama wrote: >>> 在 2015年10月21日,下午9:49,Peter Zijlstra 写道: >>> >>>> On Wed, Oct 21, 2015 at 09:42:12PM +0800, Wangnan (F) wrote: >>>

Re: [PATCH V5 1/1] bpf: control events stored in PERF_EVENT_ARRAY maps trace data output when perf sampling

2015-10-21 Thread pi3orama
发自我的 iPhone > 在 2015年10月21日,下午9:49,Peter Zijlstra 写道: > >> On Wed, Oct 21, 2015 at 09:42:12PM +0800, Wangnan (F) wrote: >> How can an eBPF program access a !local event: >> >> when creating perf event array we don't care which perf event >> is for which CPU, so perf program can access any per

Re: [PATCH] perf probe: Fix module probing with shortname

2015-09-24 Thread pi3orama
发自我的 iPhone > 在 2015年9月24日,上午10:05,Arnaldo Carvalho de Melo 写道: > > Em Wed, Sep 23, 2015 at 10:50:08PM -0300, Arnaldo Carvalho de Melo escreveu: >> Em Wed, Sep 23, 2015 at 01:03:19PM -0300, Arnaldo Carvalho de Melo escreveu: >>> Em Tue, Sep 22, 2015 at 11:49:02PM -0300, Arnaldo Carvalho de Mel

Re: [PATCH] perf report: Fix invalid memory accessing

2015-09-08 Thread pi3orama
发自我的 iPhone > 在 2015年9月8日,下午9:13,Jiri Olsa 写道: > >> On Tue, Sep 08, 2015 at 04:12:55PM +0800, Wangnan (F) wrote: >> >> >>> On 2015/9/8 15:37, Jiri Olsa wrote: >>> On Mon, Sep 07, 2015 at 09:27:26PM +0800, Wangnan (F) wrote: >>> >>> SNIP >>> I found the problem. perf relies

Re: [PATCH 03/31] perf tools: Introduce dummy evsel

2015-09-02 Thread pi3orama
发自我的 iPhone > 在 2015年9月3日,上午8:11,Namhyung Kim 写道: > > Hi, > >> On Sat, Aug 29, 2015 at 04:21:37AM +, Wang Nan wrote: >> This patch allows linking dummy evsel onto evlist as a placeholder. It >> is for following patch which allows passing BPF object using '--event >> object.o'. >> >> Does

Re: [PATCH] perf tools: Don't write to evsel if parser doesn't collect evsel

2015-09-02 Thread pi3orama
发自我的 iPhone > 在 2015年9月2日,下午10:43,Arnaldo Carvalho de Melo 写道: > > Em Wed, Sep 02, 2015 at 10:04:21PM +0800, pi3orama escreveu: >> 发自我的 iPhone >>> 在 2015年9月2日,下午9:55,Arnaldo Carvalho de Melo 写道: >>> Em Wed, Sep 02, 2015 at 08:05:54PM +0800, pi3orama escreveu:

Re: [PATCH] perf tools: Don't write to evsel if parser doesn't collect evsel

2015-09-02 Thread pi3orama
发自我的 iPhone > 在 2015年9月2日,下午9:55,Arnaldo Carvalho de Melo 写道: > > Em Wed, Sep 02, 2015 at 08:05:54PM +0800, pi3orama escreveu: >> 发自我的 iPhone >>> 在 2015年9月2日,下午7:54,Jiri Olsa 写道: >>>>> On Wed, Sep 02, 2015 at 02:53:58PM +0800, Wangn

Re: [PATCH] perf tools: Don't write to evsel if parser doesn't collect evsel

2015-09-02 Thread pi3orama
发自我的 iPhone > 在 2015年9月2日,下午7:54,Jiri Olsa 写道: > >> On Wed, Sep 02, 2015 at 02:53:58PM +0800, Wangnan (F) wrote: >> Sorry, forget to CC kernel mailing list... >> >>> On 2015/9/2 14:49, Wang Nan wrote: >>> If parse_events__scanner() collects no entry, perf_evlist__last(evlist) >>> is invalid.

Re: [PATCH 21/31] perf tools: Move linux/filter.h to tools/include

2015-09-01 Thread pi3orama
发自我的 iPhone > 在 2015年9月2日,上午3:39,Arnaldo Carvalho de Melo 写道: > > Em Sat, Aug 29, 2015 at 04:21:55AM +, Wang Nan escreveu: >> From: He Kuang >> >> This patch moves filter.h from include/linux/kernel.h to > > I said that before: this is not moving anything, it is copying :-) > >> tools/

Re: [PATCH 27/31] perf record: Support custom vmlinux path

2015-09-01 Thread pi3orama
发自我的 iPhone > 在 2015年9月2日,上午4:21,Arnaldo Carvalho de Melo 写道: > > Em Tue, Sep 01, 2015 at 05:19:17PM -0300, Arnaldo Carvalho de Melo escreveu: >> Em Sat, Aug 29, 2015 at 04:22:01AM +, Wang Nan escreveu: >>> From: He Kuang >>> >>> Make perf-record command support --vmlinux option if BPF_P

Re: [RFC PATCH v6 0/2] Make eBPF programs output data to perf

2015-08-13 Thread pi3orama
发自我的 iPhone > 在 2015年8月14日,上午5:27,Alexei Starovoitov 写道: > >> On 7/20/15 8:08 PM, He Kuang wrote: >> Hi, >> >> Previous patch v5 url: >> http://thread.gmane.org/gmane.linux.kernel/1995274 >> >> The bugfix of dynamic array length in trace event goes to >> kernel/git/rostedt/linux-trace.git ft

Re: perf eBPF patch ordering. was: Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering events using eBPF programs

2015-08-04 Thread pi3orama
发自我的 iPhone > 在 2015年8月5日,上午12:11,Arnaldo Carvalho de Melo 写道: > > Em Tue, Aug 04, 2015 at 12:55:57PM -0300, Arnaldo Carvalho de Melo escreveu: >> Em Tue, Aug 04, 2015 at 06:39:39PM +0800, Wangnan (F) escreveu: > >>> https://github.com/WangNan0/linux.git ebpf > >> Ok, but I am checking patc

Re: perf eBPF patch ordering. was: Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering events using eBPF programs

2015-08-03 Thread pi3orama
发自我的 iPhone > 在 2015年8月3日,下午11:19,Arnaldo Carvalho de Melo 写道: > > Em Mon, Aug 03, 2015 at 12:07:28PM -0300, Arnaldo Carvalho de Melo escreveu: >> Em Mon, Aug 03, 2015 at 10:37:59AM +0800, Wangnan (F) escreveu: >>> On 2015/8/1 4:31, Arnaldo Carvalho de Melo wrote: Somehow it is not callin

Re: llvm bpf debug info. Re: [RFC PATCH v4 3/3] bpf: Introduce function for outputing data to perf event

2015-07-31 Thread pi3orama
Just for your information: The buggy DW_AT_name seems to be a problem in assembler. I built the C file using -S: $ clang -target bpf -g -c -O2 test.c Then in resuming test.s, replaced all BPF op by "nop"; Also adjust .file directive; Then assemble the .s file using as: $ as -c test.s -o test

Re: llvm bpf debug info. Re: [RFC PATCH v4 3/3] bpf: Introduce function for outputing data to perf event

2015-07-29 Thread pi3orama
发自我的 iPhone > 在 2015年7月30日,上午1:13,Alexei Starovoitov 写道: > >> On 7/29/15 2:38 AM, He Kuang wrote: >> Hi, Alexei >> >>> On 2015/7/28 10:18, Alexei Starovoitov wrote: On 7/25/15 3:04 AM, He Kuang wrote: I noticed that for 64-bit elf format, the reloc sections have 'Addend' in the

Re: [RFC PATCH 0/6] bpf: Introduce the new ability of eBPF programs to access hardware PMU counter

2015-07-17 Thread pi3orama
发自我的 iPhone > 在 2015年7月18日,上午8:42,Alexei Starovoitov 写道: > >> On 7/17/15 4:27 PM, pi3orama wrote: >> Then we also need another BPF_MAP_TYPE_PERF_EVENT_HASHMAP for events in task >> context. > > hmm. why? don't see a use case yet. An example: we want to

Re: [RFC PATCH 0/6] bpf: Introduce the new ability of eBPF programs to access hardware PMU counter

2015-07-17 Thread pi3orama
发自我的 iPhone > 在 2015年7月18日,上午6:56,Alexei Starovoitov 写道: > >> On 7/17/15 3:43 AM, kaixu xia wrote: >> There are many useful PMUs provided by X86 and other architectures. By >> combining PMU, kprobe and eBPF program together, many interesting things >> can be done. For example, by probing at sc

Re: [RFC PATCH v5 2/3] tools lib traceevent: Add function to get dynamic arrays length

2015-07-17 Thread pi3orama
发自我的 iPhone > 在 2015年7月17日,下午10:36,Steven Rostedt 写道: > > > Is this dependent on patch 1? Because I'm not sure that's going to be > the ending fix. > > > On Fri, 17 Jul 2015 11:36:54 +0800 > "Wangnan (F)" wrote: > >> Here is a small problem in this patch that, it only updates >> trace-ev

Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get the selected hardware PMU conuter

2015-07-17 Thread pi3orama
发自我的 iPhone > 在 2015年7月17日,下午9:26,Peter Zijlstra 写道: > > On Fri, Jul 17, 2015 at 08:57:00PM +0800, pi3orama wrote: >>>> But what if we really want cross-cpu PMU accessing? Impossible? >>> >>> Under the assumption that the eBPF program is called f

Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get the selected hardware PMU conuter

2015-07-17 Thread pi3orama
发自我的 iPhone > 在 2015年7月17日,下午8:45,Peter Zijlstra 写道: > >> On Fri, Jul 17, 2015 at 08:27:43PM +0800, Wangnan (F) wrote: >> I think we can check the limitation in BPF program. > > You typically do not want to rely on your program for correctness. Sorry. NOT BPF program. What I want to express

Re: [RFC PATCH v4 3/3] bpf: Introduce function for outputing data to perf event

2015-07-13 Thread pi3orama
发自我的 iPhone > 在 2015年7月13日,下午10:09,Namhyung Kim 写道: > >> On Mon, Jul 13, 2015 at 10:01:26PM +0800, pi3orama wrote: >> >> >> 发自我的 iPhone >> >>> 在 2015年7月13日,下午9:52,Namhyung Kim 写道: >>> >>> Hi, >>> >&g

Re: [RFC PATCH v4 3/3] bpf: Introduce function for outputing data to perf event

2015-07-13 Thread pi3orama
发自我的 iPhone > 在 2015年7月13日,下午9:52,Namhyung Kim 写道: > > Hi, > >> On Mon, Jul 13, 2015 at 12:36:27PM +0800, He Kuang wrote: >> hi, Alexei >> >>> On 2015/7/11 6:10, Alexei Starovoitov wrote: On 7/10/15 3:03 AM, He Kuang wrote: There're scenarios that we need an eBPF program to record

Re: [PATCH v11 00/39] perf tools: filtering events using eBPF programs - part1

2015-07-08 Thread pi3orama
发自我的 iPhone > 在 2015年7月8日,下午10:03,Arnaldo Carvalho de Melo 写道: > > Em Wed, Jul 08, 2015 at 01:13:49PM +, Wang Nan escreveu: >> Hi Arnaldo Carvalho de Melo, > > Hi Wang (hope this shorter form is ok on your country, calling me just > "Arnaldo" is fine in mine :-)) > >> I rearranged the

Re: [PATCH] perf record: Allow passing perf's own pid to '--filter'

2015-07-06 Thread pi3orama
发自我的 iPhone > 在 2015年7月6日,下午9:56,Arnaldo Carvalho de Melo 写道: > > Em Mon, Jul 06, 2015 at 04:17:31AM +, Wang Nan escreveu: >> This patch allows passing perf's own PID to '--filter' by using >> '@PERFPID'. This should be useful when system-widely capturing >> tracepoints events. > > Steven

Re: [RFC PATCH v7 23/37] perf tools: Introduce llvm config options

2015-06-12 Thread pi3orama
发自我的 iPhone > 在 2015年6月13日,上午10:31,Alexei Starovoitov 写道: > >> On 6/11/15 10:35 PM, Wang Nan wrote: >> # Path to clang. If omit, search it from $PATH. >>clang-path = "/path/to/clang" > > I think this bit and search_program() from the next patch is > overly flexible. It's always de

Re: [RFC PATCH v7 23/37] perf tools: Introduce llvm config options

2015-06-12 Thread pi3orama
发自我的 iPhone > 在 2015年6月13日,上午11:03,Alexei Starovoitov 写道: > >> On 6/12/15 7:52 PM, pi3orama wrote: >> >> >> 发自我的 iPhone >> >>>> 在 2015年6月13日,上午10:31,Alexei Starovoitov 写道: >>>> >>>> On 6/11/15 10:35 PM, Wan

Re: [RFC PATCH v7 23/37] perf tools: Introduce llvm config options

2015-06-12 Thread pi3orama
发自我的 iPhone > 在 2015年6月13日,上午10:31,Alexei Starovoitov 写道: > >> On 6/11/15 10:35 PM, Wang Nan wrote: >> # Path to clang. If omit, search it from $PATH. >>clang-path = "/path/to/clang" > > I think this bit and search_program() from the next patch is > overly flexible. It's always de

Re: [GIT PULL 0/6] perf/core improvements and fixes

2015-06-04 Thread pi3orama
发自我的 iPhone > 在 2015年6月4日,下午8:40,Ingo Molnar 写道: > > > * Wangnan (F) wrote: > >>> So how do you generate the .o? Why cannot the tool, if it sees that the >>> filter >>> parameter is eBPF source code, do that automatically? >> >> I think compiling on the fly is our goal, and Alexei is wor

Re: [PATCH 3/4] perf tools: report: introduce --map-adjustment argument.

2015-04-01 Thread pi3orama
发自我的 iPhone > 在 2015年4月1日,下午6:33,Wang Nan 写道: > > This patch introduces a --map-adjustment argument for perf report. The > goal of this option is to deal with private dynamic loader used in some > special program. > > Some programs write their private dynamic loader instead of glibc ld for >