diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-11-27 10:31:03 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-17 14:54:40 -0300 |
| commit | 1b3aae90c6abdf8a844da2aa4aed1eb6947a7d39 (patch) | |
| tree | 0fca22e21f71152d5ee374bbac3998afd4fbeb9d /tools | |
| parent | 19702894cd93d79c5b5a63f56f6f417595b1a57c (diff) | |
perf top: Allow passing a kallsyms file
This basically replicates what was done for 'perf report' in:
b226a5a72901 ("perf report: Allow user to specify path to kallsyms file")
This should help with resolving eBPF symbols, that are in kallsyms but,
of course, not in vmlinux.
Reported-by: Ivan Babrou <ibobrik@gmail.com>
Tested-by: Ivan Babrou <ibobrik@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Ahern <dsahern@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-x52mx1ybq8128rtg9hjrj5qk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/Documentation/perf-top.txt | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-top.c | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index 808b664343c9..44d89fb9c788 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -70,6 +70,9 @@ Default is to monitor all CPUS. --ignore-vmlinux:: Ignore vmlinux files. +--kallsyms=<file>:: + kallsyms pathname + -m <pages>:: --mmap-pages=<pages>:: Number of mmap data pages (must be a power of two) or size diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index aa0c73e57924..1252d1759064 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1289,6 +1289,8 @@ int cmd_top(int argc, const char **argv) "file", "vmlinux pathname"), OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, "don't load vmlinux even if found"), + OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, + "file", "kallsyms pathname"), OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, "hide kernel symbols"), OPT_CALLBACK('m', "mmap-pages", &opts->mmap_pages, "pages", |