BMC/Intel-BMC/linux.git/tools/perf/util/parse-events.y, branch dev

perf tools: Fix parse_events_error dereferences

2015-05-27T15:21:43+00:00

Parse errors can be reported in struct parse_events_error but the pointer passed is optional and can be NULL. Ensure it is not NULL before dereferencing it. Signed-off-by: Adrian Hunter Cc: Jiri Olsa Cc: Namhyung Kim Link: http://lkml.kernel.org/r/1432040746-1755-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Add symbolic events support for parse_events_error

2015-04-29T13:38:02+00:00

Allowing symbolic events processing to report back error. $ perf record -e 'cycles/period=krava/' ls event syntax error: '../period=krava/' \___ expected numeric value $ perf record -e 'cycles/name=1/' ls event syntax error: '..es/name=1/' \___ expected string value Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1429729824-13932-10-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Add tracepoint support for parse_events_error

2015-04-29T13:38:01+00:00

Allowing tracepoint events processing to report back error. $ perf record -e 'sched:krava' ls event syntax error: 'sched:krava' \___ unknown tracepoint ... Signed-off-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: David Ahern Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1429729824-13932-9-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Add location to pmu event terms

2015-04-29T13:38:00+00:00

Saving the terms location within term struct, so it could be used later for report. Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1429729824-13932-6-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Change parse_events_add_pmu interface

2015-04-29T13:38:00+00:00

Changing parse_events_add_pmu interface to allow propagating of the parse_events_error info. Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1429729824-13932-5-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Add flex support for parse_events_error

2015-04-29T13:37:59+00:00

Allowing flex parser to report back event parsing error, like: $ perf record -e cycles,cache-mises ls event syntax error: '..es,cache-mises' \___ parser error ... Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1429729824-13932-3-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo

perf tools: allow user to specify hardware breakpoint bp_len

2014-12-03T14:14:29+00:00

Currently bp_len is given a default value of 4. Allow user to override it: $ perf stat -e mem:0x1000/8 ^ bp_len If no value is given, it will default to 4 as it did before. Signed-off-by: Jacob Shin Signed-off-by: Suravee Suthikulpanit Acked-by: Jiri Olsa Reviewed-by: Oleg Nesterov Cc: Arnaldo Carvalho de Melo Cc: Ingo Molnar Cc: Namhyung Kim Cc: Peter Zijlstra Cc: xiakaixu Signed-off-by: Frederic Weisbecker

perf tools: Add support to new style format of kernel PMU event

2014-10-15T19:05:45+00:00

Add new rules for kernel PMU event. Currently, the patch only want to handle the PMU event name as "a-b" and "a". event_pmu: PE_KERNEL_PMU_EVENT sep_dc | PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc PE_KERNEL_PMU_EVENT token is for cycles-ct/cycles-t/mem-loads/mem-stores. The prefix cycles is mixed up with cpu-cycles. loads and stores are mixed up with cache event So they have to be hardcode in lex. PE_PMU_EVENT_PRE and PE_PMU_EVENT_SUF tokens are for other PMU events. The lex looks generic identifier up in the table and return the matched token. If there is no match, generic PE_NAME token will be return. Using the rules, kernel PMU event could use new style format without // so you can use: perf record -e mem-loads ... instead of: perf record -e cpu/mem-loads/ Signed-off-by: Kan Liang Acked-by: Jiri Olsa Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/1412694532-23391-4-git-send-email-kan.liang@intel.com Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Let a user specify a PMU event without any config terms

2014-09-17T20:08:08+00:00

This enables a PMU event to be specified in the form: pmu// which is effectively the same as: pmu/config=0/ This patch is a precursor to defining default config for a PMU. Further explanation extracted from lkml thread: Imagine that the 'tsc' term did not exist. Intel PT trace data would not contain TSC packets, and the decoder would not know how to decode them. Then imagine that a new version of the hardware adds 'tsc'. It is such a useful feature that we want it by default, but older versions of the tools don't know how to decode it, so the kernel cannot turn it on by default. It is similar to why the kernel does not select perf_event_attr.mmap2 by default. The kernel doesn't know whether the tool supports it. Signed-off-by: Adrian Hunter Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1408129739-17368-6-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo

tools: Consolidate types.h

2014-05-01T19:22:39+00:00

Combine all definitions into a common tools/include/linux/types.h and kill the wild growth elsewhere. Move DECLARE_BITMAP to its proper bitmap.h header. Signed-off-by: Borislav Petkov Acked-by: Rusty Russell Link: http://lkml.kernel.org/n/tip-azczs7qcv6h9xek9od10hiv2@git.kernel.org Signed-off-by: Jiri Olsa