diff options
Diffstat (limited to 'src/vmon.c')
| -rw-r--r-- | src/vmon.c | 21 |
1 files changed, 16 insertions, 5 deletions
@@ -53,6 +53,7 @@ typedef struct vmon_t { time_t start_time; int snapshots_interval; int snapshot; + int now_names; char *output_dir; char *name; unsigned n_snapshots; @@ -192,6 +193,7 @@ static void print_help(void) " -H --height Window height\n" " -l --linger Don't exit when top-level process exits\n" " -n --name Name of chart, shows in window title and output filenames\n" + " -N --now-names Use current time in filenames instead of start time\n" " -o --output-dir Directory to store saved output to (\".\" if unspecified)\n" " -p --pid PID of the top-level process to monitor (1 if unspecified)\n" " -i --snapshots Save a PNG snapshot every N seconds (SIGUSR1 also snapshots)\n" @@ -418,6 +420,9 @@ static int vmon_handle_argv(vmon_t *vmon, int argc, const char * const *argv) return 0; last = ++argv; + } else if (is_flag(*argv, "-N", "--now-names")) { + vmon->now_names = 1; + last = argv; } else if (is_flag(*argv, "-i", "--snapshots")) { if (!parse_flag_int(argv, end, argv + 1, 1, INT_MAX, &vmon->snapshots_interval)) return 0; @@ -755,8 +760,9 @@ static int vmon_snapshot_as_png(vmon_t *vmon, FILE *output) static int vmon_snapshot(vmon_t *vmon) { - struct tm *start_time; - char start_str[32]; + time_t now, *t_ptr = &now; + struct tm *t; + char t_str[32]; char *name = NULL; char path[4096]; FILE *output; @@ -775,13 +781,18 @@ static int vmon_snapshot(vmon_t *vmon) return -errno; } - start_time = localtime(&vmon->start_time); - strftime(start_str, sizeof(start_str), "%m.%d.%y-%T", start_time); + if (vmon->now_names) + now = time(NULL); + else + t_ptr = &vmon->start_time; + + t = localtime(t_ptr); + strftime(t_str, sizeof(t_str), "%m.%d.%y-%T", t); snprintf(path, sizeof(path), "%s/%s%s%s-%u.png", vmon->output_dir, name ? name : "", name ? "-" : "", - start_str, + t_str, vmon->n_snapshots++); free(name); |