linux-toradex.git/tools/perf/builtin-record.c, branch v3.2.32

perf ui: Rename ui__warning_paranoid to ui__error_paranoid

2011-10-26T15:12:01+00:00

As it will exit the tool after the user is notified.

Cc: David Ahern 
Cc: Frederic Weisbecker 
Cc: Mike Galbraith 
Cc: Paul Mackerras 
Cc: Peter Zijlstra 
Cc: Stephane Eranian 
Link: http://lkml.kernel.org/n/tip-vy06m8xzlvkhr8tk7nylhbng@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

perf evlist: Fix grouping of multiple events

2011-10-26T12:25:02+00:00

The __perf_evsel__open routing was grouping just the threads for that
specific events per cpu when we want to group all threads in all events
to the first fd opened on that cpu.

So pass the xyarray with the first event, where the other events will be
able to get that first per cpu fd.

At some point top and record will switch to using perf_evlist__open that
takes care of this detail and probably will also handle the fallback
from hw to soft counters, etc.

Reported-by: Deng-Cheng Zhu 
Tested-by: Deng-Cheng Zhu 
Cc: David Ahern 
Cc: Frederic Weisbecker 
Cc: Mike Galbraith 
Cc: Paul Mackerras 
Cc: Peter Zijlstra 
Cc: Stephane Eranian 
Link: http://lkml.kernel.org/n/tip-ebm34rh098i9y9v4cytfdp0x@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Make perf.data more self-descriptive (v8)

2011-10-07T20:01:24+00:00

The goal of this patch is to include more information about the host
environment into the perf.data so it is more self-descriptive. Overtime,
profiles are captured on various machines and it becomes hard to track
what was recorded, on what machine and when.

This patch provides a way to solve this by extending the perf.data file
with basic information about the host machine. To add those extensions,
we leverage the feature bits capabilities of the perf.data format.  The
change is backward compatible with existing perf.data files.

We define the following useful new extensions:
 - HEADER_HOSTNAME: the hostname
 - HEADER_OSRELEASE: the kernel release number
 - HEADER_ARCH: the hw architecture
 - HEADER_CPUDESC: generic CPU description
 - HEADER_NRCPUS: number of online/avail cpus
 - HEADER_CMDLINE: perf command line
 - HEADER_VERSION: perf version
 - HEADER_TOPOLOGY: cpu topology
 - HEADER_EVENT_DESC: full event description (attrs)
 - HEADER_CPUID: easy-to-parse low level CPU identication

The small granularity for the entries is to make it easier to extend
without breaking backward compatiblity. Many entries are provided as
ASCII strings.

Perf report/script have been modified to print the basic information as
easy-to-parse ASCII strings. Extended information about CPU and NUMA
topology may be requested with the -I option.

Thanks to David Ahern for reviewing and testing the many versions of
this patch.

 $ perf report --stdio
 # ========
 # captured on : Mon Sep 26 15:22:14 2011
 # hostname : quad
 # os release : 3.1.0-rc4-tip
 # perf version : 3.1.0-rc4
 # arch : x86_64
 # nrcpus online : 4
 # nrcpus avail : 4
 # cpudesc : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
 # cpuid : GenuineIntel,6,15,11
 # total memory : 8105360 kB
 # cmdline : /home/eranian/perfmon/official/tip/build/tools/perf/perf record date
 # event : name = cycles, type = 0, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 0, id = { 29, 30, 31,
 # HEADER_CPU_TOPOLOGY info available, use -I to display
 # HEADER_NUMA_TOPOLOGY info available, use -I to display
 # ========
 #
 ...

 $ perf report --stdio -I
 # ========
 # captured on : Mon Sep 26 15:22:14 2011
 # hostname : quad
 # os release : 3.1.0-rc4-tip
 # perf version : 3.1.0-rc4
 # arch : x86_64
 # nrcpus online : 4
 # nrcpus avail : 4
 # cpudesc : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
 # cpuid : GenuineIntel,6,15,11
 # total memory : 8105360 kB
 # cmdline : /home/eranian/perfmon/official/tip/build/tools/perf/perf record date
 # event : name = cycles, type = 0, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 0, id = { 29, 30, 31,
 # sibling cores   : 0-3
 # sibling threads : 0
 # sibling threads : 1
 # sibling threads : 2
 # sibling threads : 3
 # node0 meminfo  : total = 8320608 kB, free = 7571024 kB
 # node0 cpu list : 0-3
 # ========
 #
 ...

Reviewed-by: David Ahern 
Tested-by: David Ahern 
Cc: David Ahern 
Cc: Ingo Molnar 
Cc: Peter Zijlstra 
Cc: Robert Richter 
Cc: Andi Kleen 
Link: http://lkml.kernel.org/r/20110930134040.GA5575@quad
Signed-off-by: Stephane Eranian 
[ committer notes: Use --show-info in the tools as was in the docs, rename
  perf_header_fprintf_info to perf_file_section__fprintf_info, fixup
  conflict with f69b64f7 "perf: Support setting the disassembler style" ]
Signed-off-by: Arnaldo Carvalho de Melo

Merge commit 'v3.1-rc9' into perf/core

2011-10-06T10:49:21+00:00

Merge reason: pick up latest fixes.

Signed-off-by: Ingo Molnar

perf tools: Make stat/record print fatal signals of the target program

2011-09-29T20:09:46+00:00

When a program crashes under perf there is no message about it, unlike
when running it from bash. This can be confusing and lead to wrong
actions during debugging.

Print fatal signals in perf stat/record.

Thanks to Furat Afram for finding the problem originally

Link: http://lkml.kernel.org/r/1316122302-24306-1-git-send-email-andi@firstfloor.org
Cc: Frederic Weisbecker 
Cc: Stephane Eranian 
Signed-off-by: Andi Kleen 
Signed-off-by: Arnaldo Carvalho de Melo

perf record: Create events initially disabled and enable after init

2011-09-23T17:36:53+00:00

perf-record currently creates events enabled. When doing a system wide
collection (-a arg) this causes data collection for perf's
initialization activities -- eg., perf_event__synthesize_threads().

For some events (e.g., context switch S/W event or tracepoints like
syscalls) perf's initialization causes a lot of events to be captured
frequently generating "Check IO/CPU overload!" warnings on larger
systems (e.g., 2 socket, quad core, hyperthreading).

perf's initialization phase can be skipped by creating events
disabled and then enabling them once the initialization is done.

Cc: Frederic Weisbecker 
Cc: Ingo Molnar 
Cc: Paul Mackerras 
Cc: Peter Zijlstra 
Cc: Thomas Gleixner 
Link: http://lkml.kernel.org/r/1314289075-14706-1-git-send-email-dsahern@gmail.com
Signed-off-by: David Ahern 
Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Add group event scheduling option to perf record/stat

2011-08-18T10:35:46+00:00

Group event scheduling command line option is missing in perf
record/stat.

Add it to perf record/stat, which is same as in perf top.

Reported-by: Andi Kleen 
Cc: Andi Kleen 
Cc: Ingo Molnar 
Cc: Peter Zijlstra 
Link: http://lkml.kernel.org/r/1313577727.2754.5.camel@hp6530s
Signed-off-by: Lin Ming 
Signed-off-by: Arnaldo Carvalho de Melo

perf evlist: Introduce 'disable' method

2011-07-25T14:06:19+00:00

To remove the last case of access to the FD() macro outside the library.

Inspired by a patch by Borislav that moved the FD() macro to util.h, for
namespace concerns I rather preferred to constrain it to ev{sel,list}.c.

Cc: Borislav Petkov 
Cc: David Ahern 
Cc: Frederic Weisbecker 
Cc: Mike Galbraith 
Cc: Paul Mackerras 
Cc: Peter Zijlstra 
Cc: Stephane Eranian 
Link: http://lkml.kernel.org/n/tip-qn893qsstcg366tkucu649qj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

perf tools: De-opt the parse_events function

2011-07-21T08:41:11+00:00

Moving out the option parameter from parse_events function,
and adding new parse_events_option function instead.

The option parameter is used only to carry "struct perf_evlist"
pointer for chaining new events. Putting it away, enable us
to call parse_events from other places without using the
option parameter.

Signed-off-by: Jiri Olsa 
Cc: acme@redhat.com
Cc: a.p.zijlstra@chello.nl
Cc: paulus@samba.org
Link: http://lkml.kernel.org/r/1310635534-4013-2-git-send-email-jolsa@redhat.com
Signed-off-by: Ingo Molnar

perf tools: Make sure kptr_restrict warnings fit 80 col terms

2011-05-27T19:02:09+00:00

Suggested-by: Ingo Molnar 
Cc: Frederic Weisbecker 
Cc: Mike Galbraith 
Cc: Paul Mackerras 
Cc: Peter Zijlstra 
Cc: Stephane Eranian 
Cc: Tom Zanussi 
Link: http://lkml.kernel.org/n/tip-i1p8vrhq7xveyui6t1sc914e@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo