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Subject[PATCH 2/2] perf script: Support dso filter
Date
Other perf tool builtins have already supported dso filter.

For example,
perf report --dso, which only considers symbols in these dsos.

Now dso filter is supported for perf-script.

root@kbl-ppc:~# ./perf script --dso "[kernel.kallsyms]"
perf 18123 [000] 6142863.075104: 1 cycles: ffffffff9ca77308 native_write_msr+0x8 ([kernel.kallsyms])
perf 18123 [000] 6142863.075107: 1 cycles: ffffffff9ca77308 native_write_msr+0x8 ([kernel.kallsyms])
perf 18123 [000] 6142863.075108: 10 cycles: ffffffff9ca77308 native_write_msr+0x8 ([kernel.kallsyms])
perf 18123 [000] 6142863.075109: 273 cycles: ffffffff9ca7730a native_write_msr+0xa ([kernel.kallsyms])
perf 18123 [000] 6142863.075110: 7684 cycles: ffffffff9ca3c9c0 native_sched_clock+0x50 ([kernel.kallsyms])
perf 18123 [000] 6142863.075112: 213017 cycles: ffffffff9d765a92 syscall_exit_to_user_mode+0x32 ([kernel.kallsyms])
perf 18123 [001] 6142863.075156: 1 cycles: ffffffff9ca77308 native_write_msr+0x8 ([kernel.kallsyms])
perf 18123 [001] 6142863.075158: 1 cycles: ffffffff9ca77308 native_write_msr+0x8 ([kernel.kallsyms])
perf 18123 [001] 6142863.075159: 17 cycles: ffffffff9ca77308 native_write_msr+0x8 ([kernel.kallsyms])

Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
---
tools/perf/Documentation/perf-script.txt | 3 +++
tools/perf/builtin-script.c | 2 ++
2 files changed, 5 insertions(+)

diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 0ef2261baeb9..6e32b2f9b828 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -444,6 +444,9 @@ include::itrace.txt[]
[0x4007a0, 0x0x4007a9]:
perf script -S 0x4007a0 --addr-range 10

+--dsos=::
+ Only consider symbols in these dsos.
+
--call-trace::
Show call stream for intel_pt traces. The CPUs are interleaved, but
can be filtered with -C.
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index e0feda33dbb9..f8d3d8582ea2 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3523,6 +3523,8 @@ int cmd_script(int argc, const char **argv)
parse_output_fields),
OPT_BOOLEAN('a', "all-cpus", &system_wide,
"system-wide collection from all CPUs"),
+ OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
+ "only consider symbols in these dsos"),
OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
"only consider these symbols"),
OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
--
2.17.1
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