diff options
Diffstat (limited to 'init/bootchart.c')
| -rw-r--r-- | init/bootchart.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/init/bootchart.c b/init/bootchart.c index f72fcaa..a514261 100644 --- a/init/bootchart.c +++ b/init/bootchart.c @@ -119,6 +119,18 @@ file_buff_done( FileBuff buff ) } } +static long long +get_uptime_jiffies() +{ + char buff[64]; + long long jiffies = 0; + + if (proc_read("/proc/uptime", buff, sizeof(buff)) > 0) + jiffies = 100LL*strtod(buff,NULL); + + return jiffies; +} + static void log_header(void) { @@ -185,22 +197,11 @@ static void do_log_uptime(FileBuff log) { char buff[65]; - int fd, ret, len; + int len; - fd = open("/proc/uptime",O_RDONLY); - if (fd >= 0) { - int ret; - ret = unix_read(fd, buff, 64); - close(fd); - buff[64] = 0; - if (ret >= 0) { - long long jiffies = 100LL*strtod(buff,NULL); - int len; - snprintf(buff,sizeof(buff),"%lld\n",jiffies); - len = strlen(buff); - file_buff_write(log, buff, len); - } - } + snprintf(buff,sizeof(buff),"%lld\n",get_uptime_jiffies()); + len = strlen(buff); + file_buff_write(log, buff, len); } static void @@ -376,3 +377,9 @@ void bootchart_finish( void ) file_buff_done(log_procs); acct(NULL); } + +/* called to get time (in ms) used by bootchart */ +long long bootchart_gettime( void ) +{ + return 10LL*get_uptime_jiffies(); +} |