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| Filename | Latest commit message | Latest commit date |
|---|---|---|
933ccf2002
Add missing error handling for parse_events calls in test_event function
that led to following segfault on s390:
running test 52 'intel_pt//u'
perf: Segmentation fault
...
/lib64/libc.so.6(vasprintf+0xe6) [0x3fffca3f106]
/lib64/libc.so.6(asprintf+0x46) [0x3fffca1aa96]
./perf(parse_events_add_pmu+0xb8) [0x80132088]
./perf(parse_events_parse+0xc62) [0x8019529a]
./perf(parse_events+0x98) [0x801341c0]
./perf(test__parse_events+0x48) [0x800cd140]
./perf(cmd_test+0x26a) [0x800bd44a]
test child interrupted
Adding the struct parse_events_error argument to parse_events call. Also
adding parse_events_print_error to get more details on the parsing
failures, like:
# perf test 6 -v
running test 52 'intel_pt//u'failed to parse event 'intel_pt//u', err 1, str 'Cannot find PMU `intel_pt'. Missing kernel support?'
event syntax error: 'intel_pt//u'
\___ Cannot find PMU `intel_pt'. Missing kernel support?
Committer note:
Use named initializers in the struct parse_events_error variable to
avoid breaking the build on centos5, 6 and others with a similar gcc:
cc1: warnings being treated as errors
tests/parse-events.c: In function 'test_event':
tests/parse-events.c:1696: error: missing initializer
tests/parse-events.c:1696: error: (near initialization for 'err.str')
Reported-by: Kim Phillips <kim.phillips@arm.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kim Phillips <kim.phillips@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: http://lkml.kernel.org/r/20180611093422.1005-1-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.