renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-05 20:24:09 +08:00
Code

perf daemon: Add base option

Browse Source 
Add a base option allowing the user to specify a base directory.  It
will have precedence over config file base definition coming in the
following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Budankov <abudankov@huawei.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: https://lore.kernel.org/r/20210208200908.1019149-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2021-02-08 21:08:47 +01:00 committed by Arnaldo Carvalho de Melo
parent fc1dcb1e56
commit 5631d100f9
2 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tools/perf/Documentation/perf-daemon.txt
View File

@ -31,6 +31,10 @@ OPTIONS
Config file path. If not provided, perf will check system and default
locations (/etc/perfconfig, $HOME/.perfconfig).
--base=<PATH>::
Base directory path. Each daemon instance is running on top
of base directory.
All generic options are available also under commands.

11
tools/perf/builtin-daemon.c
View File

@ -6,6 +6,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include "builtin.h"
#include "perf.h"
#include "debug.h"
@ -15,6 +16,7 @@
struct daemon {
const char *config;
char *config_real;
const char *base_user;
char *base;
FILE *out;
char perf[PATH_MAX];
@ -38,10 +40,17 @@ static void sig_handler(int sig __maybe_unused)
static void daemon__exit(struct daemon *daemon)
{
free(daemon->config_real);
free(daemon->base);
}
static int setup_config(struct daemon *daemon)
{
if (daemon->base_user) {
daemon->base = strdup(daemon->base_user);
if (!daemon->base)
return -ENOMEM;
}
if (daemon->config) {
char *real = realpath(daemon->config, NULL);
@ -104,6 +113,8 @@ int cmd_daemon(int argc, const char **argv)
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
OPT_STRING(0, "config", &__daemon.config,
"config file", "config file path"),
OPT_STRING(0, "base", &__daemon.base_user,
"directory", "base directory"),
OPT_END()
};