summaryrefslogtreecommitdiff
path: root/tools/perf/Makefile.perf
diff options
context:
space:
mode:
authorAndi Kleen <ak@linux.intel.com>2020-01-08 00:04:44 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-01-14 18:02:19 +0300
commit3b0b16bf8cb92ae67968c1abb7b335032b899b33 (patch)
tree6c724fc2c5ffce436e1c86ba9bc1a801c66d9e9d /tools/perf/Makefile.perf
parentaa9d1f8334dfe220aff58c6bb4daf1fdae81add6 (diff)
downloadlinux-3b0b16bf8cb92ae67968c1abb7b335032b899b33.tar.xz
perf tools: Support --prefix/--prefix-strip
The objdump utility has useful --prefix / --prefix-strip options to allow changing source code file names hardcoded into executables' debug info. Add options to 'perf report', 'perf top' and 'perf annotate', which are then passed to objdump. $ mkdir foo $ echo 'main() { for (;;); }' > foo/foo.c $ gcc -g foo/foo.c foo/foo.c:1:1: warning: return type defaults to ‘int’ [-Wimplicit-int] 1 | main() { for (;;); } | ^~~~ $ perf record ./a.out ^C[ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.230 MB perf.data (5721 samples) ] $ mv foo bar $ perf annotate <does not show source code> $ perf annotate --prefix=/home/ak/lsrc/git/bar --prefix-strip=5 <does show source code> Signed-off-by: Andi Kleen <ak@linux.intel.com> Tested-by: Jiri Olsa <jolsa@redhat.com> LPU-Reference: 20200107210444.214071-1-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Makefile.perf')
0 files changed, 0 insertions, 0 deletions