diff options
Diffstat (limited to 'xlators/debug/io-stats/src/io-stats.c')
| -rw-r--r-- | xlators/debug/io-stats/src/io-stats.c | 35 | 
1 files changed, 22 insertions, 13 deletions
diff --git a/xlators/debug/io-stats/src/io-stats.c b/xlators/debug/io-stats/src/io-stats.c index 62e85bbb99b..5e82fb4c029 100644 --- a/xlators/debug/io-stats/src/io-stats.c +++ b/xlators/debug/io-stats/src/io-stats.c @@ -21,7 +21,8 @@   *  d) counts of write IO block size - since process start, last interval and per fd   *  e) counts of all FOP types passing through it   * - *  Usage: setfattr -n io-stats-dump /tmp/filename /mnt/gluster + *  Usage: setfattr -n trusted.io-stats-dump /tmp/filename /mnt/gluster + *      output is written to /tmp/filename.<iostats xlator instance name>   *   */ @@ -2827,15 +2828,32 @@ conditional_dump (dict_t *dict, char *key, data_t *value, void *data)          char                 *filename = NULL;          FILE                 *logfp = NULL;          struct ios_dump_args args = {0}; -        int                   pid; +        int                   pid, namelen;          char                  dump_key[100]; +        char                 *slash_ptr = NULL;          stub  = data;          this  = stub->this; -        filename = alloca (value->len + 1); -        memset (filename, 0, value->len + 1); +        /* Create a file name that is appended with the io-stats instance +        name as well. This helps when there is more than a single io-stats +        instance in the graph, or the client and server processes are running +        on the same node */ +        /* hmmm... no check for this */ +        /* name format: <passed in path/filename>.<xlator name slashes to -> */ +        namelen = value->len + strlen (this->name) + 2; /* '.' and '\0' */ +        filename = alloca (namelen); +        memset (filename, 0, namelen);          memcpy (filename, data_to_str (value), value->len); +        memcpy (filename + value->len, ".", 1); +        memcpy (filename + value->len + 1, this->name, strlen(this->name)); + +        /* convert any slashes to '-' so that fopen works correctly */ +        slash_ptr = strchr (filename + value->len + 1, '/'); +        while (slash_ptr) { +                *slash_ptr = '-'; +                slash_ptr = strchr (slash_ptr, '/'); +        }          pid = getpid (); @@ -3018,11 +3036,6 @@ io_stats_setxattr (call_frame_t *frame, xlator_t *this,          ret = dict_foreach_match (dict, match_special_xattr, NULL,                                    conditional_dump, &stub); -        if (ret > 0) { -                /* Setxattr was on key 'io-stat-dump', hence dump and unwind -                 * from here */ -                goto out; -        }          START_FOP_LATENCY (frame); @@ -3031,10 +3044,6 @@ io_stats_setxattr (call_frame_t *frame, xlator_t *this,                      FIRST_CHILD(this)->fops->setxattr,                      loc, dict, flags, xdata);          return 0; - -out: -        STACK_UNWIND_STRICT (setxattr, frame, 0, 0, NULL); -        return 0;  }  | 
