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/openbmc/linux/tools/perf/util/ |
H A D | tool.h | 61a7773c Mon Mar 18 12:45:11 CDT 2019 Alexey Budankov <alexey.budankov@linux.intel.com> perf report: Add stub processing of compressed events for -D
Committer note:
Split from a larger patch, this only dumps PERF_RECORD_COMPRESSED as unhandled, so that when we introduce the record part in the next patch, we don't see unhandled events when using 'perf record -D'.
Changed it so that we dump the event if the handler is just a stub, i.e. for the case where we don't have ZSTD linked but we're processing a perf.data file generated by a tool with that linked.
Also when failing to decompress we can't just dump the uncompressed event and return 0, we have to propagate the error.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/304b0a59-942c-3fe1-da02-aa749f87108b@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 61a7773c Mon Mar 18 12:45:11 CDT 2019 Alexey Budankov <alexey.budankov@linux.intel.com> perf report: Add stub processing of compressed events for -D Committer note: Split from a larger patch, this only dumps PERF_RECORD_COMPRESSED as unhandled, so that when we introduce the record part in the next patch, we don't see unhandled events when using 'perf record -D'. Changed it so that we dump the event if the handler is just a stub, i.e. for the case where we don't have ZSTD linked but we're processing a perf.data file generated by a tool with that linked. Also when failing to decompress we can't just dump the uncompressed event and return 0, we have to propagate the error. Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/304b0a59-942c-3fe1-da02-aa749f87108b@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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H A D | session.c | 61a7773c Mon Mar 18 12:45:11 CDT 2019 Alexey Budankov <alexey.budankov@linux.intel.com> perf report: Add stub processing of compressed events for -D
Committer note:
Split from a larger patch, this only dumps PERF_RECORD_COMPRESSED as unhandled, so that when we introduce the record part in the next patch, we don't see unhandled events when using 'perf record -D'.
Changed it so that we dump the event if the handler is just a stub, i.e. for the case where we don't have ZSTD linked but we're processing a perf.data file generated by a tool with that linked.
Also when failing to decompress we can't just dump the uncompressed event and return 0, we have to propagate the error.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/304b0a59-942c-3fe1-da02-aa749f87108b@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 61a7773c Mon Mar 18 12:45:11 CDT 2019 Alexey Budankov <alexey.budankov@linux.intel.com> perf report: Add stub processing of compressed events for -D Committer note: Split from a larger patch, this only dumps PERF_RECORD_COMPRESSED as unhandled, so that when we introduce the record part in the next patch, we don't see unhandled events when using 'perf record -D'. Changed it so that we dump the event if the handler is just a stub, i.e. for the case where we don't have ZSTD linked but we're processing a perf.data file generated by a tool with that linked. Also when failing to decompress we can't just dump the uncompressed event and return 0, we have to propagate the error. Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/304b0a59-942c-3fe1-da02-aa749f87108b@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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