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b491198db8
There's no need to set 'fd' position in pipe mode, the file descriptor is already in proper place. Moreover the lseek will fail on pipe descriptor and that's why it's been working properly. I was tempted to remove the lseek calls completely, because it seems that tracing data event was always synthesized only in pipe mode, so there's no need for 'file' mode handling. But I guess there was a reason behind this and there might (however unlikely) be a perf.data that we could break processing for. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Khuong <pvk@pvk.ca> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20200507095024.2789147-3-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| debugging | ||
| edid | ||
| firewire | ||
| firmware | ||
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| hv | ||
| iio | ||
| include | ||
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| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| nfsd | ||
| objtool | ||
| pci | ||
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| perf | ||
| power | ||
| scripts | ||
| spi | ||
| testing | ||
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| time | ||
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| virtio | ||
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| Makefile | ||