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Message-ID: <20160225072256.GB16385@gmail.com> Date: Thu, 25 Feb 2016 08:22:56 +0100 From: Ingo Molnar <mingo@...nel.org> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>, Brendan Gregg <brendan.d.gregg@...il.com>, David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>, Li Zefan <lizefan@...wei.com>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, Namhyung Kim <namhyung@...nel.org>, Pekka Enberg <penberg@...nel.org>, Peter Zijlstra <peterz@...radead.org>, pi3orama@....com, Stephane Eranian <eranian@...gle.com>, Wang Nan <wangnan0@...wei.com>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: Re: [GIT PULL 00/31] perf/core improvements and fixes * Arnaldo Carvalho de Melo <acme@...nel.org> wrote: > Hi Ingo, > > Please consider pulling, > > - Arnaldo > > The following changes since commit c2b8d8c55c0235e21c563283f634bcfd2ba7bc1e: > > Merge tag 'perf-core-for-mingo-2' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-02-24 08:20:30 +0100) > > are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-20160224 > > for you to fetch changes up to c92fcfde3486fb4b9e476ee5ad5995a62e401cce: > > perf top: Add --hierarchy option (2016-02-24 20:21:15 -0300) > > ---------------------------------------------------------------- > perf/core improvements: > > User visible: > > - Hierarchy histogram mode for 'perf top' and 'perf report', showing multiple > levels, one per --sort entry: (Namhyung Kim) > > On a mostly idle system: > > # perf top --hierarchy -s comm,dso > > Then expand some levels and use 'P' to take a snapshot: > > # cat perf.hist.0 > - 92.32% perf > 58.20% perf > 22.29% libc-2.22.so > 5.97% [kernel] > 4.18% libelf-0.165.so > 1.69% [unknown] > - 4.71% qemu-system-x86 > 3.10% [kernel] > 1.60% qemu-system-x86_64 (deleted) > + 2.97% swapper > # > > - Check availability of memory events in 'perf mem': (Jiri Olsa) > > On a Intel Broadwell machine: > > # perf mem record -e list > ldlat-loads : available > ldlat-stores: available > # > > - Decode data_src values (e.g. perf.data files generated by 'perf mem record') > in 'perf script': (Jiri Olsa) > > # perf script > perf 693 [1] 4.088652: 1 cpu/mem-loads,ldlat=30/P: ffff88007d0b0f40 68100142 L1 hit|SNP None|TLB L1 or L2 hit|LCK No <SNIP> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > - Print bpf-output events in 'perf script': (Wang Nan). > > # perf record -e bpf-output/no-inherit,name=evt/ -e ./test_bpf_output_3.c/map:channel.event=evt/ usleep 1000 > # perf script > usleep 4882 21384.532523: evt: ffffffff810e97d1 sys_nanosleep ([kernel.kallsyms]) > BPF output: 0000: 52 61 69 73 65 20 61 20 Raise a > 0008: 42 50 46 20 65 76 65 6e BPF even > 0010: 74 21 00 00 t!.. > BPF string: "Raise a BPF event!" > # > > Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> > > ---------------------------------------------------------------- > Jiri Olsa (11): > perf mem record: Check for memory events support > perf mem: Introduce perf_mem_events__name function > perf tools: Introduce perf_mem__tlb_scnprintf function > perf tools: Introduce perf_mem__lvl_scnprintf function > perf tools: Introduce perf_mem__snp_scnprintf function > perf tools: Introduce perf_mem__lck_scnprintf function > perf tools: Change perf_mem__tlb_scnprintf to return nb of displayed bytes > perf tools: Change perf_mem__lvl_scnprintf to return nb of displayed bytes > perf tools: Change perf_mem__snp_scnprintf to return nb of displayed bytes > perf tools: Change perf_mem__lck_scnprintf to return nb of displayed bytes > perf script: Display data_src values > > Namhyung Kim (18): > perf tools: Add helper functions for some sort keys > perf hists: Basic support of hierarchical report view > perf hists: Resort hist entries with hierarchy > perf hists: Add helper functions for hierarchy mode > perf hists: Introduce hist_entry__filter() > perf hists: Support filtering in hierarchy mode > perf hists: Resort after filtering hierarchy > perf hists: Count number of sort keys > perf ui/stdio: Implement hierarchy output mode > perf ui/stdio: Align column header for hierarchy output > perf hists browser: Count number of hierarchy entries > perf hists browser: Support collapsing/expanding whole entries in hierarchy > perf hists browser: Implement hierarchy output > perf hists browser: Align column header in hierarchy mode > perf ui/gtk: Implement hierarchy output mode > perf report: Add --hierarchy option > perf hists: Support decaying in hierarchy mode > perf top: Add --hierarchy option > > Wang Nan (2): > perf tools: Make binary data printer code in trace_event public available > perf script: Print bpf-output events in 'perf script' > > tools/perf/Documentation/perf-report.txt | 3 + > tools/perf/Documentation/perf-top.txt | 3 + > tools/perf/Documentation/tips.txt | 1 + > tools/perf/builtin-mem.c | 22 +- > tools/perf/builtin-report.c | 17 ++ > tools/perf/builtin-script.c | 113 ++++++- > tools/perf/builtin-top.c | 15 + > tools/perf/ui/browsers/hists.c | 504 ++++++++++++++++++++++++++++--- > tools/perf/ui/gtk/hists.c | 163 +++++++++- > tools/perf/ui/hist.c | 3 + > tools/perf/ui/stdio/hist.c | 184 ++++++++++- > tools/perf/util/ctype.c | 9 + > tools/perf/util/debug.c | 75 +++-- > tools/perf/util/hist.c | 461 ++++++++++++++++++++++++++-- > tools/perf/util/hist.h | 24 ++ > tools/perf/util/mem-events.c | 210 ++++++++++++- > tools/perf/util/mem-events.h | 13 + > tools/perf/util/sort.c | 285 +++++++++-------- > tools/perf/util/sort.h | 14 +- > tools/perf/util/symbol.h | 3 +- > tools/perf/util/util.c | 37 +++ > tools/perf/util/util.h | 22 ++ > 22 files changed, 1940 insertions(+), 241 deletions(-) Pulled, thanks a lot Arnaldo! Ingo
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