Commit e03eaa40 authored by David Ahern's avatar David Ahern Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Add pid/tid filtering to report and script commands 



The 'record' and 'top' tools already allow a user to specify a CSV of
pids and/or tids of tasks to collect data.

Add those options to the 'report' and 'script' analysis commands to only
consider samples related to the given pids/tids.

This is also inline with the existing comm option.

Signed-off-by: default avatarDavid Ahern <dsahern@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1427212361-7066-1-git-send-email-dsahern@gmail.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 6b1f3423

tools/perf/Documentation/perf-report.txt

+5 −0
Original line number Diff line number Diff line
@@ -40,6 +40,11 @@ OPTIONS 
	Only consider symbols in these comms. CSV that understands

	file://filename entries.  This option will affect the percentage of

	the overhead column.  See --percentage for more info.

--pid=::

        Only show events for given process ID (comma separated list).



--tid=::

        Only show events for given thread ID (comma separated list).

-d::

--dsos=::

	Only consider symbols in these dsos. CSV that understands

tools/perf/Documentation/perf-script.txt

+6 −0
Original line number Diff line number Diff line
@@ -193,6 +193,12 @@ OPTIONS 
	Only display events for these comms. CSV that understands

	file://filename entries.



--pid=::

	Only show events for given process ID (comma separated list).



--tid=::

	Only show events for given thread ID (comma separated list).



-I::

--show-info::

	Display extended information about the perf.data file. This adds

tools/perf/builtin-report.c

+4 −0
Original line number Diff line number Diff line
@@ -669,6 +669,10 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) 
		   "only consider symbols in these dsos"),

	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",

		   "only consider symbols in these comms"),

	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",

		   "only consider symbols in these pids"),

	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",

		   "only consider symbols in these tids"),

	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",

		   "only consider these symbols"),

	OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",

tools/perf/builtin-script.c

+4 −0
Original line number Diff line number Diff line
@@ -1562,6 +1562,10 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) 
	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),

	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",

		   "only display events for these comms"),

	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",

		   "only consider symbols in these pids"),

	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",

		   "only consider symbols in these tids"),

	OPT_BOOLEAN('I', "show-info", &show_full_info,

		    "display extended information from perf.data file"),

	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,

tools/perf/util/symbol.c

+30 −1
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include "machine.h"

#include "symbol.h"

#include "strlist.h"

#include "intlist.h"

#include "header.h"



#include <elf.h>
@@ -1859,6 +1860,20 @@ int setup_list(struct strlist **list, const char *list_str, 
	return 0;

}



int setup_intlist(struct intlist **list, const char *list_str,

		  const char *list_name)

{

	if (list_str == NULL)

		return 0;



	*list = intlist__new(list_str);

	if (!*list) {

		pr_err("problems parsing %s list\n", list_name);

		return -1;

	}

	return 0;

}



static bool symbol__read_kptr_restrict(void)

{

	bool value = false;
@@ -1909,9 +1924,17 @@ int symbol__init(struct perf_session_env *env) 
		       symbol_conf.comm_list_str, "comm") < 0)

		goto out_free_dso_list;



	if (setup_intlist(&symbol_conf.pid_list,

		       symbol_conf.pid_list_str, "pid") < 0)

		goto out_free_comm_list;



	if (setup_intlist(&symbol_conf.tid_list,

		       symbol_conf.tid_list_str, "tid") < 0)

		goto out_free_pid_list;



	if (setup_list(&symbol_conf.sym_list,

		       symbol_conf.sym_list_str, "symbol") < 0)

		goto out_free_comm_list;

		goto out_free_tid_list;



	/*

	 * A path to symbols of "/" is identical to ""
@@ -1930,6 +1953,10 @@ int symbol__init(struct perf_session_env *env) 
	symbol_conf.initialized = true;

	return 0;



out_free_tid_list:

	intlist__delete(symbol_conf.tid_list);

out_free_pid_list:

	intlist__delete(symbol_conf.pid_list);

out_free_comm_list:

	strlist__delete(symbol_conf.comm_list);

out_free_dso_list:
@@ -1944,6 +1971,8 @@ void symbol__exit(void) 
	strlist__delete(symbol_conf.sym_list);

	strlist__delete(symbol_conf.dso_list);

	strlist__delete(symbol_conf.comm_list);

	intlist__delete(symbol_conf.tid_list);

	intlist__delete(symbol_conf.pid_list);

	vmlinux_path__exit();

	symbol_conf.sym_list = symbol_conf.dso_list = symbol_conf.comm_list = NULL;

	symbol_conf.initialized = false;

CRA Git | Maintained and supported by SUSTech CRA and CCSE