- 09 Aug, 2012 8 commits
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Namhyung Kim authored
Now we have isolated all ELF-specific stuff, it's possible to build without libelf. The output binary can do most of jobs but lacks (user level) symbol information - kernel symbols are still accessable thanks to the kallsyms. To build perf without libelf (elfutils), give NO_LIBELF=1 to make. For now, only 'perf probe' command is removed since it depends on libelf/libdw heavily. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1344228082-15569-4-git-send-email-namhyung@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Namhyung Kim authored
Factor out the dependency of ELF handling into separate symbol-elf.c file. It is a preparation of building a minimalistic version perf tools which doesn't depend on the elfutils. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1344228082-15569-3-git-send-email-namhyung@kernel.org [ committer note: removed blank line at symbol-elf.c EOF ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Namhyung Kim authored
The symbol__elf_init() is for initializing internal libelf data structure and getting rid of its dependency outside of ELF/symboling handling code. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1344228082-15569-2-git-send-email-namhyung@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Namhyung Kim authored
Fix missing /etc/bash_completion.d directory creation, otherwise the installation fails miserably on systems that don't have bash completion installed yet or on specific target: $ make DESTDIR=/tmp/junk-perf O=/tmp/pbuild -C tools/perf/ install ... install -m 755 bash_completion /tmp/junk-perf/etc/bash_completion.d/perf install: cannot create regular file `/tmp/junk-perf/etc/bash_completion.d/perf': No such file or directory make: *** [install] Error 1 make: Leaving directory `/opt/sw/ahern/perf.git/tools/perf' Also use sysconfdir variable instead of the hardcoded /etc to handle overriden conf directory. Reported-by: David Ahern <dsahern@gmail.com> Signed-off-by: Namhyung Kim <namhyung@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1344522713-27951-4-git-send-email-fweisbec@gmail.comSigned-off-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Frederic Weisbecker authored
Add basic bash completion for the -e option in record, top and stat subcommands. Only hardware, software and tracepoint events are supported. Breakpoints, raw events and events grouping completion need more thinking. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1344522713-27951-3-git-send-email-fweisbec@gmail.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Frederic Weisbecker authored
This implements bash completion for perf subcommands such as record, report, script, probe, etc... Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1344522713-27951-2-git-send-email-fweisbec@gmail.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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David Ahern authored
If CONFIG options required for perf-lock are not enabled then the corresponding tracepoints will not be enabled. Currently, the message to the user is: $ perf lock record -a -- sleep 1 invalid or unsupported event: 'lock:lock_acquire' Run 'perf list' for a list of valid events Improve the message with a suggestion on which CONFIG options are needed: $ perf lock record -a -- sleep 1 tracepoint lock:lock_acquire is not enabled. Are CONFIG_LOCKDEP and CONFIG_LOCK_STAT enabled? Suggested-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1344530137-25521-1-git-send-email-dsahern@gmail.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Feng Tang authored
Correct the checking for handler returned by PyDict_GetItemString(), also fix some spelling error and remove some data code in event_analyzing_sample.py, as suggested by Namhyung Kim. v2: restore back the wrongly removed trace_unhandled() func Signed-off-by: Feng Tang <feng.tang@intel.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/20120809134613.067104c4@feng-i7Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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- 08 Aug, 2012 18 commits
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Feng Tang authored
Currently only trace point events are supported in perf/python script, the first 3 patches of this serie add the support for all types of events. This script is just a simple sample to show how to gather the basic information of the events and analyze them. This script will create one object for each event sample and insert them into a table in a database, then leverage the simple SQL commands to sort/group them. User can modify or write their brand new functions according to their specific requirment. Here is the sample of how to use the script: $ perf record -a tree $ perf script -s process_event.py There is 100 records in gen_events table Statistics about the general events grouped by thread/symbol/dso: comm number histgram ========================================== swapper 56 ###### tree 20 ##### perf 10 #### sshd 8 #### kworker/7:2 4 ### ksoftirqd/7 1 # plugin-containe 1 # symbol number histgram ========================================================== native_write_msr_safe 40 ###### __lock_acquire 8 #### ftrace_graph_caller 4 ### prepare_ftrace_return 4 ### intel_idle 3 ## native_sched_clock 3 ## Unknown_symbol 2 ## do_softirq 2 ## lock_release 2 ## lock_release_holdtime 2 ## trace_graph_entry 2 ## _IO_putc 1 # __d_lookup_rcu 1 # __do_fault 1 # __schedule 1 # _raw_spin_lock 1 # delay_tsc 1 # generic_exec_single 1 # generic_fillattr 1 # dso number histgram ================================================================== [kernel.kallsyms] 95 ####### /lib/libc-2.12.1.so 5 ### Signed-off-by: Feng Tang <feng.tang@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1344419875-21665-6-git-send-email-feng.tang@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Feng Tang authored
This library defines several class types for perf events which could help to better analyze the event samples. Currently there are just a few classes, PerfEvent is the base class for all perf events, PebsEvent is a HW base Intel x86 PEBS event, and user could add more SW/HW event classes based on requriements. Signed-off-by: Feng Tang <feng.tang@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1344419875-21665-5-git-send-email-feng.tang@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Feng Tang authored
Also as suggested by Arnaldo, pack all these parameters to a dictionary, which is more expandable for adding new parameters while keeping the compatibility for old scripts. Signed-off-by: Feng Tang <feng.tang@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1344419875-21665-4-git-send-email-feng.tang@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Feng Tang authored
perf script: Replace "struct thread" with "struct addr_location" as a parameter for "process_event()" Both perl and python script start processing events other than trace points, and it's useful to pass the resolved symbol and the dso info to the event handler in script for better analysis and statistics. Struct thread is already a member of struct addr_location, using addr_location will keep the thread info, while providing additional symbol and dso info if exist, so that the script itself doesn't need to bother to do the symbol resolving and dso searching work. Tested-by: David Ahern <dsahern@gmail.com> Signed-off-by: Feng Tang <feng.tang@intel.com> Acked-by: David Ahern <dsahern@gmail.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1344419875-21665-3-git-send-email-feng.tang@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Feng Tang authored
This patch just follows Robert Richter's idea and the commit 37a058ea "perf script: Add generic perl handler to process events" to similarly add a python handler for general events other than tracepoints. For non-tracepoint events, this patch will try to find a function named "process_event" in the python script, and pass the event attribute, perf_sample, raw_data in format of raw string. And the python script can use "struct" module's unpack function to disasemble the needed info and process. Signed-off-by: Feng Tang <feng.tang@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1344419875-21665-2-git-send-email-feng.tang@intel.com [ committer note: Fixed up wrt da378962, i.e. pevent parm in script event handlers ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Robert Richter authored
Updating man perf-list. Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1344361396-7237-7-git-send-email-robert.richter@amd.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Robert Richter authored
It was missing that only certain bit fields are passed to the config value which confused users. Updating it. Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1344361396-7237-6-git-send-email-robert.richter@amd.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Robert Richter authored
Fixing the integer cast reported by the following warning: tools/lib/traceevent/event-parse.c:3488:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1344361396-7237-5-git-send-email-robert.richter@amd.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Robert Richter authored
perf record fails on 32 bit with: invalid or unsupported event: 'r40000F7E0' Fixing this by parsing 64 bit num values. Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1344361396-7237-4-git-send-email-robert.richter@amd.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Robert Richter authored
With the OUTPUT variable set the libtraceevent.a file is wrongly built in the source directory: + make -d OUTPUT=/.../.build/perf-user/ DESTDIR=/.../.install/perf-user/ ... Considering target file `../lib/traceevent//libtraceevent.a'. File `../lib/traceevent//libtraceevent.a' does not exist. Finished prerequisites of target file `../lib/traceevent//libtraceevent.a'. Must remake target `../lib/traceevent//libtraceevent.a'. Invoking recipe from Makefile:837 to update target `../lib/traceevent//libtraceevent.a'. Putting child 0x703850 (../lib/traceevent//libtraceevent.a) PID 8365 on the chain. Live child 0x703850 (../lib/traceevent//libtraceevent.a) PID 8365 SUBDIR ../lib/traceevent/ $ git clean -nxd Would remove tools/lib/traceevent/.event-parse.d Would remove tools/lib/traceevent/.parse-filter.d Would remove tools/lib/traceevent/.parse-utils.d Would remove tools/lib/traceevent/.trace-seq.d Would remove tools/lib/traceevent/event-parse.o Would remove tools/lib/traceevent/libtraceevent.a Would remove tools/lib/traceevent/parse-filter.o Would remove tools/lib/traceevent/parse-utils.o Would remove tools/lib/traceevent/trace-seq.o This patch fixes this. Note: Though this should already work with O=$outputdir we better use the OUTPUT variable directly. Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1344361396-7237-3-git-send-email-robert.richter@amd.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Robert Richter authored
Fixes the following: + make OUTPUT=/.../.build/perf-user/ DESTDIR=/.../.install/perf-user/ man install-man make -C Documentation man make[1]: Entering directory `/.../.source/linux.perf/tools/perf/Documentation' make[2]: Entering directory `/.../.source/linux.perf/tools/perf' make[2]: *** No rule to make target `PERF-VERSION-FILE'. Stop. Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1344361396-7237-2-git-send-email-robert.richter@amd.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
We can get all that is needed using just event_format, that is available via evsel->tp_format now. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-2hsr1686epa9f0vx4yg7z2zj@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
To reduce the number of parameters passed to the various event handling functions. Cc: Andrey Wagin <avagin@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-fc537qykjjqzvyol5fecx6ug@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
To reduce the number of parameters passed to the various event handling functions. Cc: Andrey Wagin <avagin@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-bipk647rzq357yot9ao6ih73@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
To reduce the number of parameters passed to the various event handling functions. Cc: Andrey Wagin <avagin@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-p936ngz06yo5h797ggsm7xru@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
We already lookup the associated event_format when reading the perf.data header, so that we can cache the tracepoint name in evsel->name, so do it a little further and save the event_format itself, so that we can avoid relookups in tools that need to access it. Change the tools to take the most obvious advantage, when they were using pevent_find_event directly. More work is needed for further removing the need of a pointer to pevent, such as when asking for event field values ("common_pid" and the other common fields and per event_format fields). This is something that was planned but only got actually done when Andrey Wagin needed to do this lookup at perf_tool->sample() time, when we don't have access to pevent (session->pevent) to use with pevent_find_event(). Cc: Andrey Wagin <avagin@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Link: http://lkml.kernel.org/n/tip-txkvew2ckko0b594ae8fbnyk@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
We only have access to pevent after processing that event, so set the tracepoint names there. Right now this isn't a problem as we're deferring resolving the tracepoint names to when we process samples, but in the next patches we will be doing it in advance, to avoid relookups, so do it earlier, as soon as we process the tracing data event. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-tzb7srmsl7a6o3icw592iv2o@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
To help in debugging the tools, provides functionality roughly similar to the function with the same name in the kernel. Copied from glibc backtrace function man page. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-6nw2sak21bqy8h1m2syyo816@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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- 06 Aug, 2012 1 commit
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Arnaldo Carvalho de Melo authored
Right now just shows the DSO name in callchain entries, to help debug the DWARF CFI post unwind code. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-54gouunatugtfw92j6gddk45@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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- 05 Aug, 2012 1 commit
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Ingo Molnar authored
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/core fixes and some late updates from Arnaldo Carvalho de Melo: * Make clean brace expansion fix for some shells, from Palmer Cox * Warn user just once per guest kernel when not finding kernel info, from David Ahern * perf test fix from Jiri Olsa * Fix error handling on event creation in perf top, from David Ahern * Fix check on perf_target__strnerror, from Namhyung Kim * Save the whole cmdline, from David Ahern * Prep work for the DWARF CFI post unwinder, so that it doesn't uses perf_session in lots of places, just evlist/evsel is enough. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
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- 04 Aug, 2012 12 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull VFS fixes and cleanups from Al Viro. Most of this is the series to remove sync_supers() and the ->write_supers VFS callback from Artem Bityutskiy. One commit to do the actual removal work, a whole series of commits to fix up stale comments etc all over the tree. There's also a regression fix for an incorrect use of mnt_drop_write() in do_dentry_open(). * 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: missed mnt_drop_write() in do_dentry_open() UBIFS: nuke pdflush from comments gfs2: nuke pdflush from comments drbd: nuke pdflush from comments nilfs2: nuke write_super from comments hfs: nuke write_super from comments vfs: nuke pdflush from comments jbd/jbd2: nuke write_super from comments btrfs: nuke pdflush from comments btrfs: nuke write_super from comments ext4: nuke pdflush from comments ext4: nuke write_super from comments ext3: nuke write_super from comments Documentation: fix the VM knobs descritpion WRT pdflush Documentation: get rid of write_super vfs: kill write_super and sync_supers
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Al Viro authored
This one ought to be __mnt_drop_write(), to match __mnt_want_write() in the beginning... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The pdflush thread is long gone, so this patch removes references to pdflush from UBIFS comments. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The pdflush thread is long gone, so this patch removes references to pdflush from gfs comments. Cc: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The pdflush thread is long gone, so this patch removes references to pdflush from drbd comments. Cc: drbd-dev@lists.linbit.com Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The '->write_super' superblock method is gone, and this patch removes all the references to 'write_super' from ntfs. Cc: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The '->write_super' superblock method is gone, and this patch removes all the references to 'write_super' from hfs. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The pdflush thread is long gone, so this patch removes references to pdflush from vfs comments. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The '->write_super' superblock method is gone, and this patch removes all the references to 'write_super' from various jbd and jbd2. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jan Kara <jack@suse.cz> Cc: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The pdflush thread is long gone, so this patch removes references to pdflush from btrfs comments. Cc: Chris Mason <chris.mason@fusionio.com> Cc: linux-btrfs@vger.kernel.org Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The '->write_super' superblock method is gone, and this patch removes all the references to 'write_super' from btrfs. Cc: Chris Mason <chris.mason@fusionio.com> Cc: linux-btrfs@vger.kernel.org Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Artem Bityutskiy authored
The pdflush thread is long gone, so this patch removes references to pdflush from ext4 comments. Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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