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authorGravatar Pascal Bellard <pascal.bellard@ads-lu.com>2010-06-28 15:50:22 +0200
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2010-06-28 15:51:01 +0200
commitff37799dfe0e6e8fb9b971a2aeb4076d8a3784ec (patch)
tree61705ab230d6ba9b0d625f6087c39bc2dea0a679 /init/bootchartd.c
parent7d1201c5d7014365fb7e3d9da58f5e3fe0a1edc8 (diff)
downloadbusybox-ff37799dfe0e6e8fb9b971a2aeb4076d8a3784ec.tar.gz
busybox-ff37799dfe0e6e8fb9b971a2aeb4076d8a3784ec.tar.bz2
conspy: code shrink
function old new delta conspy_main 1446 1444 -2 screen_read_close 114 108 -6 screen_char 299 293 -6 Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'init/bootchartd.c')
-rw-r--r--init/bootchartd.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/init/bootchartd.c b/init/bootchartd.c
index f7de13e2f..4e15da4e8 100644
--- a/init/bootchartd.c
+++ b/init/bootchartd.c
@@ -156,7 +156,7 @@ static int dump_procs(FILE *fp, int look_for_login_process)
continue;
p++;
strchrnul(p, ')')[0] = '\0';
- /* If is gdm, kdm or a getty? */
+ /* Is it gdm, kdm or a getty? */
if (((p[0] == 'g' || p[0] == 'k' || p[0] == 'x') && p[1] == 'd' && p[2] == 'm')
|| strstr(p, "getty")
) {
@@ -258,13 +258,12 @@ static void finalize(char *tempdir, const char *prog)
fprintf(header_fp, "profile.process = %s\n", prog);
fputs("version = "BC_VERSION_STR"\n", header_fp);
-
if (ENABLE_FEATURE_BOOTCHARTD_BLOATED_HEADER) {
char *hostname;
char *kcmdline;
time_t t;
struct tm tm_time;
- /* x2 for possible localized data */
+ /* x2 for possible localized weekday/month names */
char date_buf[sizeof("Mon Jun 21 05:29:03 CEST 2010") * 2];
struct utsname unamebuf;
@@ -313,16 +312,16 @@ static void finalize(char *tempdir, const char *prog)
*/
}
-/* Usage:
- * bootchartd start [PROG ARGS]: start logging in background, USR1 stops it.
- * With PROG, runs PROG, then kills background logging.
- * bootchartd stop: same as "killall -USR1 bootchartd"
- * bootchartd init: start logging in background
- * Stop when getty/gdm is seen (if AUTO_STOP_LOGGER = yes).
- * Meant to be used from init scripts.
- * bootchartd (pid==1): as init, but then execs $bootchart_init, /init, /sbin/init
- * Meant to be used as kernel's init process.
- */
+//usage:#define bootchartd_trivial_usage
+//usage: "start [PROG ARGS]|stop|init"
+//usage:#define bootchartd_full_usage "\n\n"
+//usage: "Create /var/log/bootchart.tgz with boot chart data\n"
+//usage: "\nOptions:"
+//usage: "\nstart: start background logging; with PROG, run PROG, then kill logging with USR1"
+//usage: "\nstop: send USR1 to all bootchartd processes"
+//usage: "\ninit: start background logging; stop when getty/xdm is seen (for init scripts)"
+//usage: "\nUnder PID 1: as init, then exec $bootchart_init, /init, /sbin/init"
+
int bootchartd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int bootchartd_main(int argc UNUSED_PARAM, char **argv)
{
@@ -358,7 +357,7 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv)
cmd = CMD_PID1;
}
- /* Here we are in START or INIT state */
+ /* Here we are in START, INIT or CMD_PID1 state */
/* Read config file: */
sample_period_us = 200 * 1000;
@@ -422,7 +421,7 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv)
execl(bootchart_init, bootchart_init, NULL);
execl("/init", "init", NULL);
execl("/sbin/init", "init", NULL);
- bb_perror_msg_and_die("can't exec '%s'", "/sbin/init");
+ bb_perror_msg_and_die("can't execute '%s'", "/sbin/init");
}
if (cmd == CMD_START && argv[2]) { /* "start PROG ARGS" */
@@ -432,7 +431,7 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv)
if (pid == 0) { /* child */
argv += 2;
execvp(argv[0], argv);
- bb_perror_msg_and_die("can't exec '%s'", argv[0]);
+ bb_perror_msg_and_die("can't execute '%s'", argv[0]);
}
/* parent */
waitpid(pid, NULL, 0);