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2019-11-22perf auxtrace: Add support for queuing AUX area samplesAdrian Hunter1-0/+107
Add functions to queue AUX area samples in advance (auxtrace_queue_data()) or individually (auxtrace_queues__add_sample()) or find out what queue a sample belongs on (auxtrace_queues__sample_queue()). auxtrace_queue_data() can also queue snapshot data which keeps snapshots and samples ordered with respect to each other in case support for that is desired. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20191115124225.5247-12-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-11-22perf auxtrace: Add support for dumping AUX area samplesAdrian Hunter1-0/+10
Add support for dumping AUX area samples i.e. via the perf script/report -D (--dump-raw-trace) option. Committer notes: Add __maybe_unused to the two args for auxtrace__dump_auxtrace_sample() for when we don't HAVE_AUXTRACE_SUPPORT. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20191115124225.5247-10-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-11-22perf record: Add aux-sample-size config termAdrian Hunter1-1/+75
To allow individual events to be selected for AUX area sampling, add aux-sample-size config term. attr.aux_sample_size is updated by auxtrace_parse_sample_options() so that the existing validation will see the value. Any event that has a non-zero aux_sample_size will cause AUX area sampling to be configured, irrespective of the --aux-sample option. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20191115124225.5247-8-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-11-22perf auxtrace: Add support for AUX area sample recordingAdrian Hunter1-0/+107
Add support for parsing and validating AUX area sample options. At present, the only option is the sample size, but it is also necessary to ensure that events are in a group with an AUX area event as the leader. Committer note: Add missing 'static inline' in front of auxtrace_parse_sample_options() for when we don't HAVE_AUXTRACE_SUPPORT. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20191115124225.5247-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-11-22perf auxtrace: Move perf_evsel__find_pmu()Adrian Hunter1-12/+12
Move perf_evsel__find_pmu() so it can be used without forward declaration. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20191115124225.5247-5-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-11-06perf auxtrace: Add auxtrace_cache__remove()Adrian Hunter1-0/+28
Add auxtrace_cache__remove(). Intel PT uses an auxtrace_cache to store the results of code-walking, so that the same block of instructions does not have to be decoded repeatedly. However, when there are text poke events, the associated cache entries need to be removed. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: x86@kernel.org Link: http://lore.kernel.org/lkml/20191025130000.13032-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-09-25libperf: Move 'page_size' global variable to libperfJiri Olsa1-1/+0
We need the 'page_size' variable in libperf, so move it there. Add a libperf_init() as a global libperf init function to obtain this value via sysconf() at tool start. Committer notes: Add internal/lib.h to tools/perf/ files using 'page_size', sometimes replacing util.h with it if that was the only reason for having util.h included. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lore.kernel.org/lkml/20190913132355.21634-33-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-09-25perf evlist: Adopt backwards ring buffer state enumArnaldo Carvalho de Melo1-0/+1
As this isn't used at all in mmap.h but in evlist.h, so to cut down the header dependency tree, move it to where it is used. Also add mmap.h to the places using it but previously getting it indirectly via evlist.h. Add missing pthread.h to evlist.h, as it has a pthread_t struct member and was getting the header via mmap.h. Noticed while processing a Jiri's libperf batch touching mmap.h, where almost everything gets rebuilt because evlist.h is so popular, so cut down't this rebuild the world party. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Song Liu <songliubraving@fb.com> Link: https://lkml.kernel.org/n/tip-he0uljeftl0xfveh3d6vtode@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-09-25perf tools: Rename 'struct perf_mmap' to 'struct mmap'Jiri Olsa1-3/+3
Rename 'struct perf_evlist' to 'struct evlist', so we don't have a name clash when we add 'struct perf_mmap' to libperf. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lore.kernel.org/lkml/20190913132355.21634-4-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-09-20perf tools: Move event synthesizing routines to separate headerArnaldo Carvalho de Melo1-0/+1
Those are the only routines using the perf_event__handler_t typedef and are all related, so move to a separate header to reduce the header dependency tree, lots of places were getting event.h and even stdio.h, limits.h indirectly, so fix those as well. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-yvx9u1mf7baq6cu1abfhbqgs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-09-20perf env: Remove needless cpumap.h headerArnaldo Carvalho de Melo1-1/+0
Only a 'struct perf_cmp_map' forward allocation is necessary, fix the places that need the header but were getting it indirectly, by luck, from env.h. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-3sj3n534zghxhk7ygzeaqlx9@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-09-20perf tools: Remove util.h from where it is not neededArnaldo Carvalho de Melo1-1/+3
Check that it is not needed and remove, fixing up some fallout for places where it was only serving to get something else. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-9h6dg6lsqe2usyqjh5rrues4@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-31perf auxtrace: Uninline functions that touch perf_sessionArnaldo Carvalho de Melo1-0/+33
So that we don't carry the session.h include directive in auxtrace.h, which in turn opens a can of worms of files that were getting all sorts of things via that include, fix them all. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-d2d83aovpgri2z75wlitquni@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-29libperf: Rename the PERF_RECORD_ structs to have a "perf" prefixJiri Olsa1-8/+8
Even more, to have a "perf_record_" prefix, so that they match the PERF_RECORD_ enum they map to. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190828135717.7245-23-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-29libperf: Add PERF_RECORD_AUXTRACE_ERROR 'struct auxtrace_error_event' to perf/event.hJiri Olsa1-1/+1
Move the PERF_RECORD_AUXTRACE_ERROR event definition to libperf's event.h. In order to keep libperf simple, we switch 'u64/u32/u16/u8' types used events to their generic '__u*' versions. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190828135717.7245-11-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-29libperf: Add PERF_RECORD_AUXTRACE 'struct auxtrace_event' to perf/event.hJiri Olsa1-1/+1
Move the PERF_RECORD_AUXTRACE event definition to libperf's event.h. Ipn order to keep libperf simple, we switch 'u64/u32/u16/u8' types used events to their generic '__u*' versions. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190828135717.7245-10-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-28perf evlist: Remove needless util.h from evlist.hArnaldo Carvalho de Melo1-0/+1
There is no need for that util/util.h include there and, remove it, pruning the include tree, fix the fallout by adding necessary headers to places that were getting needed includes indirectly from evlist.h -> util.h. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-s9f7uve8wvykr5itcm7m7d8q@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-26perf record: Move record_opts and other record decls out of perf.hArnaldo Carvalho de Melo1-1/+1
And into a separate util/record.h, to better isolate things and make sure that those who use record_opts and the other moved declarations are explicitly including the necessary header. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-31q8mei1qkh74qvkl9nwidfq@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-22libperf: Add perf_thread_map__nr/perf_thread_map__pid functionsJiri Olsa1-2/+2
So it's part of libperf library as basic functions operating on perf_thread_map objects. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190822111141.25823-6-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-14perf tools: Add itrace option 'o' to synthesize aux-output eventsAdrian Hunter1-0/+4
Add itrace option 'o' to synthesize events recorded in the AUX area due to the use of perf record's aux-output config term. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190806084606.4021-5-alexander.shishkin@linux.intel.com Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-14perf record: Add an option to take an AUX snapshot on exitAlexander Shishkin1-2/+12
It is sometimes useful to generate a snapshot when perf record exits; I've been using a wrapper script around the workload that would do a killall -USR2 perf when the workload exits. This patch makes it easier and also works when perf record is attached to a pre-existing task. A new snapshot option 'e' can be specified in -S to enable this behavior: root@elsewhere:~# perf record -e intel_pt// -Se sleep 1 [ perf record: Woken up 2 times to write data ] [ perf record: Captured and wrote 0.085 MB perf.data ] Co-developed-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190806144101.62892-1-alexander.shishkin@linux.intel.com [ Fixed up !HAVE_AUXTRACE_SUPPORT build in builtin-record.c, adding 2 missing __maybe_unused ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-29libperf: Add threads to struct perf_evlistJiri Olsa1-3/+3
Move threads from tools/perf's evlist to libperf's perf_evlist struct. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-56-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-29libperf: Add cpus to struct perf_evlistJiri Olsa1-1/+1
Move cpus from tools/perf's evlist to libperf's perf_evlist struct. Committer notes: Fixed up this one: tools/perf/arch/arm/util/cs-etm.c Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-55-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-29libperf: Move perf_event_attr field from perf's evsel to libperf's perf_evselJiri Olsa1-1/+1
Move the perf_event_attr struct fron 'struct evsel' to 'struct perf_evsel'. Committer notes: Fixed up these: tools/perf/arch/arm/util/auxtrace.c tools/perf/arch/arm/util/cs-etm.c tools/perf/arch/arm64/util/arm-spe.c tools/perf/arch/s390/util/auxtrace.c tools/perf/util/cs-etm.c Also cc1: warnings being treated as errors tests/sample-parsing.c: In function 'do_test': tests/sample-parsing.c:162: error: missing initializer tests/sample-parsing.c:162: error: (near initialization for 'evsel.core.cpus') struct evsel evsel = { .needs_swap = false, - .core.attr = { - .sample_type = sample_type, - .read_format = read_format, + .core = { + . attr = { + .sample_type = sample_type, + .read_format = read_format, + }, [perfbuilder@a70e4eeb5549 /]$ gcc --version |& head -1 gcc (GCC) 4.4.7 Also we don't need to include perf_event.h in tools/perf/lib/include/perf/evsel.h, forward declaring 'struct perf_event_attr' is enough. And this even fixes the build in some systems where things are used somewhere down the include path from perf_event.h without defining __always_inline. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-43-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-29perf evlist: Rename struct perf_evlist to struct evlistJiri Olsa1-5/+5
Rename struct perf_evlist to struct evlist, so we don't have a name clash when we add struct perf_evlist in libperf. Committer notes: Added fixes to build on arm64, from Jiri and from me (tools/perf/util/cs-etm.c) Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-6-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-29perf evsel: Rename struct perf_evsel to struct evselJiri Olsa1-4/+4
Rename struct perf_evsel to struct evsel, so we don't have a name clash when we add struct perf_evsel in libperf. Committer notes: Added fixes for arm64, provided by Jiri. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-5-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-09perf tools: Use list_del_init() more thorouglyArnaldo Carvalho de Melo1-2/+2
To allow for destructors to check if they're operating on a object still in a list, and to avoid going from use after free list entries into still valid, or even also other already removed from list entries. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-deh17ub44atyox3j90e6rksu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-09perf tools: Use zfree() where applicableArnaldo Carvalho de Melo1-3/+2
In places where the equivalent was already being done, i.e.: free(a); a = NULL; And in placs where struct members are being freed so that if we have some erroneous reference to its struct, then accesses to freed members will result in segfaults, which we can detect faster than use after free to areas that may still have something seemingly valid. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-jatyoofo5boc1bsvoig6bb6i@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-09tools lib: Adopt zalloc()/zfree() from tools/perfArnaldo Carvalho de Melo1-1/+1
Eroding a bit more the tools/perf/util/util.h hodpodge header. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-natazosyn9rwjka25tvcnyi0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25tools perf: Move from sane_ctype.h obtained from git to the Linux's originalArnaldo Carvalho de Melo1-1/+1
We got the sane_ctype.h headers from git and kept using it so far, but since that code originally came from the kernel sources to the git sources, perhaps its better to just use the one in the kernel, so that we can leverage tools/perf/check_headers.sh to be notified when our copy gets out of sync, i.e. when fixes or goodies are added to the code we've copied. This will help with things like tools/lib/string.c where we want to have more things in common with the kernel, such as strim(), skip_spaces(), etc so as to go on removing the things that we have in tools/perf/util/ and instead using the code in the kernel, indirectly and removing things like EXPORT_SYMBOL(), etc, getting notified when fixes and improvements are made to the original code. Hopefully this also should help with reducing the difference of code hosted in tools/ to the one in the kernel proper. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-7k9868l713wqtgo01xxygn12@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-17Merge branch 'x86/cpu' into perf/core, to pick up dependent changesIngo Molnar1-10/+1
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-06-05treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288Thomas Gleixner1-10/+1
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 263 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-28perf auxtrace: Fix itrace defaults for perf scriptAdrian Hunter1-1/+2
Commit 4eb068157121 ("perf script: Make itrace script default to all calls") does not work for the case when '--itrace' only is used, because default_no_sample is not being passed. Example: Before: $ perf record -e intel_pt/cyc/u ls $ perf script --itrace > cmp1.txt $ perf script --itrace=cepwx > cmp2.txt $ diff -sq cmp1.txt cmp2.txt Files cmp1.txt and cmp2.txt differ After: $ perf script --itrace > cmp1.txt $ perf script --itrace=cepwx > cmp2.txt $ diff -sq cmp1.txt cmp2.txt Files cmp1.txt and cmp2.txt are identical Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Fixes: 4eb068157121 ("perf script: Make itrace script default to all calls") Link: http://lkml.kernel.org/r/20190520113728.14389-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-03-01perf auxtrace: Improve address filter error message when there is no DSOAdrian Hunter1-1/+2
The message does not indicate the possibility that the symbol is not found because the file does not exist. Before: $ perf record -e intel_pt//u --filter 'filter strcmp / strcpy @ foo ' ls Symbol 'strcmp' not found. Note that symbols must be functions. Failed to parse address filter: 'filter strcmp / strcpy @ foo ' Filter format is: filter|start|stop|tracestop <start symbol or address> [/ <end symbol or size>] [@<file name>] Where multiple filters are separated by space or comma. After: $ perf record -e intel_pt//u --filter 'filter strcmp / strcpy @ foo ' ls File 'foo' not found or has no symbols. Symbol 'strcmp' not found. Note that symbols must be functions. Failed to parse address filter: 'filter strcmp / strcpy @ foo ' Filter format is: filter|start|stop|tracestop <start symbol or address> [/ <end symbol or size>] [@<file name>] Where multiple filters are separated by space or comma. Reported-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: https://lkml.kernel.org/n/tip-dvngzxd0jkplzw1ary69dilb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-02-06perf auxtrace: Add timestamp to auxtrace errorsAdrian Hunter1-2/+20
The timestamp can use useful to find part of a trace that has an error without outputting all of the trace e.g. using the itrace 's' option to skip initial number of events. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20190206103947.15750-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-02-06perf auxtrace: Define auxtrace record alignmentAdrian Hunter1-2/+2
Define auxtrace record alignment so that it can be referenced elsewhere. Note this is preparation for patch "perf intel-pt: Fix overlap calculation for padding" Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20190206103947.15750-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-02-06perf hist: Remove symbol.h from hist.h, just fwd decls are neededArnaldo Carvalho de Melo1-0/+1
To reduce the includes dependencies. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-cmvg5ght75mmfg1efeyna9rn@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-12-18perf auxtrace: Alter addr_filter__entire_dso() to work if there are no symbolsAdrian Hunter1-7/+4
addr_filter__entire_dso() uses the first and last symbols from a dso, and so does not work when there are no symbols. Alter it to filter the whole file instead. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Fixes: 1b36c03e3569 ("perf record: Add support for using symbols in address filters") Link: http://lkml.kernel.org/r/20181127084634.12469-1-adrian.hunter@intel.com [ split from a larger patch ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-24perf script: Make itrace script default to all callsAndi Kleen1-5/+12
By default 'perf script' for itrace outputs sampled instructions or branches. In my experience this is confusing to users because it's hard to correlate with real program behavior. The sampling makes sense for tools like 'perf report' that actually sample to reduce the run time, but run time is normally not a problem for 'perf script'. It's better to give an accurate representation of the program flow. Default 'perf script' to output all calls for itrace. That's a much saner default. The old behavior can be still requested with 'perf script' --itrace=ibxwpe100000 v2: Fix ETM build failure v3: Really fix ETM build failure (Kim Phillips) Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Kim Phillips <kim.phillips@arm.com> Cc: Leo Yan <leo.yan@linaro.org> Link: http://lkml.kernel.org/r/20180920180540.14039-3-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf tools: Add 'struct perf_mmap' arg to record__write()Jiri Olsa1-1/+1
The struct perf_mmap map argument will hold the file pointer to write the data to. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-5-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf auxtrace: Pass struct perf_mmap into mmap__read* functionsJiri Olsa1-5/+6
The perf_mmap struct will hold a file pointer to write the mmap's contents, so we need to propagate it down the stack to record__write callers instead of its member the auxtrace_mmap struct. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-4-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf tools: Remove perf_tool from event_op3Jiri Olsa1-4/+3
Now that we keep a perf_tool pointer inside perf_session, there's no need to have a perf_tool argument in the event_op3 callback. Remove it. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-3-jolsa@kernel.org [ Fix the builtin-inject.c build for !HAVE_AUXTRACE_SUPPORT ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf tools: Remove perf_tool from event_op2Jiri Olsa1-6/+4
Now that we keep a perf_tool pointer inside perf_session, there's no need to have a perf_tool argument in the event_op2 callback. Remove it. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-2-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-14perf auxtrace: Fix queue resizeAdrian Hunter1-0/+3
When the number of queues grows beyond 32, the array of queues is resized but not all members were being copied. Fix by also copying 'tid', 'cpu' and 'set'. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Fixes: e502789302a6e ("perf auxtrace: Add helpers for queuing AUX area tracing data") Link: http://lkml.kernel.org/r/20180814084608.6563-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-03perf auxtrace: Support for perf report -D for s390Thomas Richter1-0/+3
Add initial support for s390 auxiliary traces using the CPU-Measurement Sampling Facility. Support and ignore PERF_REPORT_AUXTRACE_INFO records in the perf data file. Later patches will show the contents of the auxiliary traces. Setup the auxtrace queues and data structures for s390. A raw dump of the perf.data file now does not show an error when an auxtrace event is encountered. Output before: [root@s35lp76 perf]# ./perf report -D -i perf.data.auxtrace 0x128 [0x10]: failed to process type: 70 Error: failed to process sample 0x128 [0x10]: event: 70 . . ... raw event: size 16 bytes . 0000: 00 00 00 46 00 00 00 10 00 00 00 00 00 00 00 00 ...F............ 0x128 [0x10]: PERF_RECORD_AUXTRACE_INFO type: 0 [root@s35lp76 perf]# Output after: # ./perf report -D -i perf.data.auxtrace |fgrep PERF_RECORD_AUXTRACE 0 0 0x128 [0x10]: PERF_RECORD_AUXTRACE_INFO type: 5 0 0 0x25a66 [0x30]: PERF_RECORD_AUXTRACE size: 0x40000 offset: 0 ref: 0 idx: 4 tid: -1 cpu: 4 .... Additional notes about the underlying hardware and software implementation, provided by Hendrik Brueckner (see Link: below). ============================================================================= The CPU-Measurement Facility (CPU-MF) provides a set of functions to obtain performance information on the mainframe. Basically, it was introduced with System z10 years ago for the z/Architecture, that means, 64-bit. For Linux, there are two facilities of interest, counter facility and sampling facility. The counter facility provides hardware counters for instructions, cycles, crypto-activities, and many more. The sampling facility is a hardware sampler that when started will write samples at a particular interval into a sampling buffer. At some point, for example, if a sample block is full, it generates an interrupt to collect samples (while the sampler continues to run). Few years ago, I started to provide the a perf PMU to use the counter and sampling facilities. Recently, the device driver was updated to also "export" the sampling buffer into the AUX area. Thomas now completed the related perf work to interpret and process these AUX data. If people are more interested in the sampling facility, they can have a look into: - The Load-Program-Parameter and the CPU-Measurement Facilities, SA23-2260-05 http://www-01.ibm.com/support/docview.wss?uid=isg26fcd1cc32246f4c8852574ce0044734a and to learn how-to use it for Linux on Z, have look at chapter 54, "Using the CPU-measurement facilities" in the: - Device Drivers, Features, and Commands, SC33-8411-34 http://public.dhe.ibm.com/software/dw/linux390/docu/l416dd34.pdf ============================================================================= Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com> Link: http://lkml.kernel.org/r/20180803100758.GA28475@linux.ibm.com Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Link: http://lkml.kernel.org/r/20180802074622.13641-2-tmricht@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-04-26perf tools: Use kallsyms__is_function()Arnaldo Carvalho de Melo1-2/+2
Replacing equivalent, the equivalent and longer variation: symbol__is_a(type, MAP__FUNCTION); Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-9t3dqogher54owfl9o2mir52@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-04-26perf symbols: Shorten dso__(first|last)_symbol()Arnaldo Carvalho de Melo1-4/+4
All users want MAP__FUNCTION, and this split is going away. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-sm72zwt1f03ma5uw78l6zze0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-04-06perf auxtrace: Make auxtrace_queues__add_buffer() do CPU filteringAdrian Hunter1-10/+10
In preparation for supporting AUX area sampling buffers, auxtrace_queues__add_buffer() needs to be more generic. To that end, move CPU filtering into it. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1520327598-1317-8-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-04-05perf auxtrace: Make auxtrace_queues__add_buffer() allocate struct bufferAdrian Hunter1-30/+24
In preparation for supporting AUX area sampling buffers, auxtrace_queues__add_buffer() needs to be more generic. To that end, move memory allocation for struct buffer into it. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1520327598-1317-7-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-03-07perf auxtrace: Make auxtrace_queues__add_buffer() return buffer_ptrAdrian Hunter1-8/+15
In preparation for supporting AUX area sampling buffers, auxtrace_queues__add_buffer() needs to be more generic. To that end, make it return buffer_ptr instead of the caller. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1520327598-1317-6-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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