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6754075915
This fixes the srcline translation for call chains of user space
applications.
Before we got:
perf report --stdio --no-children -s sym,srcline -g address
8.92% [.] main mandelbrot.h:41
|
|--3.70%--main +8390240
| __libc_start_main +139950056726769
| _start +8388650
|
|--2.74%--main +8390189
|
--2.08%--main +8390296
__libc_start_main +139950056726769
_start +8388650
7.59% [.] main complex:1326
|
|--4.79%--main +8390203
| __libc_start_main +139950056726769
| _start +8388650
|
--2.80%--main +8390219
7.12% [.] __muldc3 libgcc2.c:1945
|
|--3.76%--__muldc3 +139950060519490
| main +8390224
| __libc_start_main +139950056726769
| _start +8388650
|
--3.32%--__muldc3 +139950060519512
main +8390224
With this patch applied, we instead get:
perf report --stdio --no-children -s sym,srcline -g address
8.92% [.] main mandelbrot.h:41
|
|--3.70%--main mandelbrot.h:41
| __libc_start_main +241
| _start +4194346
|
|--2.74%--main mandelbrot.h:41
|
--2.08%--main mandelbrot.h:41
__libc_start_main +241
_start +4194346
7.59% [.] main complex:1326
|
|--4.79%--main complex:1326
| __libc_start_main +241
| _start +4194346
|
--2.80%--main complex:1326
7.12% [.] __muldc3 libgcc2.c:1945
|
|--3.76%--__muldc3 libgcc2.c:1945
| main mandelbrot.h:39
| __libc_start_main +241
| _start +4194346
|
--3.32%--__muldc3 libgcc2.c:1945
main mandelbrot.h:39
Suggested-and-Acked-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Milian Wolff <milian.wolff@kdab.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
LPU-Reference: 20160816153926.11288-1-milian.wolff@kdab.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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| .. | ||
| arch | ||
| bench | ||
| Documentation | ||
| jvmti | ||
| python | ||
| scripts | ||
| tests | ||
| trace | ||
| ui | ||
| util | ||
| .gitignore | ||
| Build | ||
| builtin-annotate.c | ||
| builtin-bench.c | ||
| builtin-buildid-cache.c | ||
| builtin-buildid-list.c | ||
| builtin-config.c | ||
| builtin-data.c | ||
| builtin-diff.c | ||
| builtin-evlist.c | ||
| builtin-help.c | ||
| builtin-inject.c | ||
| builtin-kmem.c | ||
| builtin-kvm.c | ||
| builtin-list.c | ||
| builtin-lock.c | ||
| builtin-mem.c | ||
| builtin-probe.c | ||
| builtin-record.c | ||
| builtin-report.c | ||
| builtin-sched.c | ||
| builtin-script.c | ||
| builtin-stat.c | ||
| builtin-timechart.c | ||
| builtin-top.c | ||
| builtin-trace.c | ||
| builtin-version.c | ||
| builtin.h | ||
| command-list.txt | ||
| CREDITS | ||
| design.txt | ||
| Makefile | ||
| Makefile.config | ||
| Makefile.perf | ||
| MANIFEST | ||
| perf-archive.sh | ||
| perf-completion.sh | ||
| perf-read-vdso.c | ||
| perf-sys.h | ||
| perf-with-kcore.sh | ||
| perf.c | ||
| perf.h | ||