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Arnaldo Carvalho de Melo 7e4772dc99 perf pmu: Add proper error handling to print_pmu_events() 
It was silently returning or printing "(null)" when no memory was
available at various points. Fix it by checking and warning the user
when that happens.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
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-835udmf66x9nza504cu6irz9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 		2014-10-29 10:32:48 -02:00
..
Documentation perf script: Add period data column 2014-10-17 15:21:30 -03:00
arch perf tools: A thread's machine can be found via thread->mg->machine 2014-10-29 10:32:46 -02:00
bench perf bench futex: Sanitize -q option in requeue 2014-09-29 15:43:26 -03:00
config perf tools: Do not attempt to run perf-read-vdso32 if it wasn't built 2014-10-29 10:32:48 -02:00
python
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scripts perf script: Add callchain to generic and tracepoint events 2014-07-16 17:57:33 -03:00
tests perf tests: Use thread->mg->machine 2014-10-29 10:32:47 -02:00
ui perf top: Add a visual cue for toggle zeroing of samples 2014-10-15 15:47:48 -03:00
util perf pmu: Add proper error handling to print_pmu_events() 2014-10-29 10:32:48 -02:00
.gitignore perf tools: Add perf-with-kcore script 2014-09-17 17:08:08 -03:00
CREDITS
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MANIFEST perf kvm: Add stat support on s390 2014-07-16 17:57:33 -03:00
Makefile
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Makefile.perf perf tools: Build programs to copy 32-bit compatibility 2014-10-29 10:32:48 -02:00
builtin-annotate.c perf tools: Remove hists from evsel 2014-10-14 17:32:52 -03:00
builtin-bench.c perf bench: Add --repeat option 2014-06-19 16:13:15 -03:00
builtin-buildid-cache.c perf buildid-cache: Use strerror_r instead of strerror 2014-08-15 13:07:59 -03:00
builtin-buildid-list.c
…
builtin-diff.c perf diff: Add missing hists__init() call at tool start 2014-10-22 16:31:06 -03:00
builtin-evlist.c perf tools: Modify error code for when perf_session__new() fails 2014-09-26 12:32:58 -03:00
builtin-help.c perf help: Use strerror_r instead of strerror 2014-08-15 13:08:26 -03:00
builtin-inject.c perf tools: A thread's machine can be found via thread->mg->machine 2014-10-29 10:32:46 -02:00
builtin-kmem.c perf tools: Modify error code for when perf_session__new() fails 2014-09-26 12:32:58 -03:00
builtin-kvm.c perf kvm: Print kvm specific --help output 2014-10-29 10:32:47 -02:00
builtin-list.c
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builtin-lock.c perf tools: Modify error code for when perf_session__new() fails 2014-09-26 12:32:58 -03:00
builtin-mem.c perf tools: Modify error code for when perf_session__new() fails 2014-09-26 12:32:58 -03:00
builtin-probe.c perf probe: Use PARSE_OPT_EXCLUSIVE flag 2014-10-29 10:32:47 -02:00
builtin-record.c perf tools: Export usage string and option table of perf record 2014-10-29 10:32:47 -02:00
builtin-report.c perf report: Set callchain_param.record_mode for future use 2014-10-15 16:20:03 -03:00
builtin-sched.c perf sched: Stop updating hists stats, not used 2014-10-09 11:46:35 -03:00
builtin-script.c perf tools: Export usage string and option table of perf record 2014-10-29 10:32:47 -02:00
builtin-stat.c perf evsel: No need to drag util/cgroup.h 2014-10-17 12:17:40 -03:00
builtin-timechart.c perf tools: Export usage string and option table of perf record 2014-10-29 10:32:47 -02:00
builtin-top.c perf tools: Remove hists from evsel 2014-10-14 17:32:52 -03:00
builtin-trace.c perf tools: A thread's machine can be found via thread->mg->machine 2014-10-29 10:32:46 -02:00
builtin.h
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command-list.txt
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design.txt
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perf-archive.sh
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perf-completion.sh
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perf-read-vdso.c perf tools: Build programs to copy 32-bit compatibility 2014-10-29 10:32:48 -02:00
perf-sys.h perf tools: Make CPUINFO_PROC an array to support different kernel versions 2014-10-29 10:27:36 -02:00
perf-with-kcore.sh perf tools: Add perf-with-kcore script 2014-09-17 17:08:08 -03:00
perf.c perf: Use strerror_r instead of strerror 2014-08-15 10:54:29 -03:00
perf.h perf tools: Export usage string and option table of perf record 2014-10-29 10:32:47 -02:00