[PATCH 03/24] perf daemon: Add base option

[Jiri Olsa]

Adding base option allowing user to specify base directory.
It will have precedence over config file base definition
coming in following patches.

Signed-off-by: Jiri Olsa <jo...@kernel.org>
---
 tools/perf/builtin-daemon.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tools/perf/builtin-daemon.c b/tools/perf/builtin-daemon.c
index 1f2393faad75..8d0ac44ec808 100644
--- a/tools/perf/builtin-daemon.c
+++ b/tools/perf/builtin-daemon.c
@@ -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];
@@ -38,6 +40,7 @@ static void sig_handler(int sig __maybe_unused)
 static void daemon__free(struct daemon *daemon)
 {
        free(daemon->config_real);
+       free(daemon->base);
 }
 
 static void daemon__exit(struct daemon *daemon)
@@ -47,6 +50,12 @@ static void daemon__exit(struct daemon *daemon)
 
 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);
 
@@ -109,6 +118,8 @@ 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()
        };
 
-- 
2.29.2