diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/bootchartd.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/init/bootchartd.c b/init/bootchartd.c index cc23e60..9fd6233 100644 --- a/init/bootchartd.c +++ b/init/bootchartd.c @@ -208,14 +208,8 @@ static char *make_tempdir(void) return tempdir; } -static void do_logging(unsigned sample_period_us) +static void do_logging(unsigned sample_period_us, int process_accounting) { - //# Enable process accounting if configured - //if [ "$PROCESS_ACCOUNTING" = "yes" ]; then - // [ -e kernel_pacct ] || : > kernel_pacct - // accton kernel_pacct - //fi - FILE *proc_stat = xfopen("proc_stat.log", "w"); FILE *proc_diskstats = xfopen("proc_diskstats.log", "w"); //FILE *proc_netdev = xfopen("proc_netdev.log", "w"); @@ -223,6 +217,11 @@ static void do_logging(unsigned sample_period_us) int look_for_login_process = (getppid() == 1); unsigned count = 60*1000*1000 / sample_period_us; /* ~1 minute */ + if (process_accounting) { + close(xopen("kernel_pacct", O_WRONLY | O_CREAT | O_TRUNC)); + acct("kernel_pacct"); + } + while (--count && !bb_got_signal) { char *p; int len = open_read_close("/proc/uptime", G.jiffy_line, sizeof(G.jiffy_line)-2); @@ -253,11 +252,9 @@ static void do_logging(unsigned sample_period_us) wait_more: usleep(sample_period_us); } - - // [ -e kernel_pacct ] && accton off } -static void finalize(char *tempdir, const char *prog) +static void finalize(char *tempdir, const char *prog, int process_accounting) { //# Stop process accounting if configured //local pacct= @@ -265,6 +262,9 @@ static void finalize(char *tempdir, const char *prog) FILE *header_fp = xfopen("header", "w"); + if (process_accounting) + acct(NULL); + if (prog) fprintf(header_fp, "profile.process = %s\n", prog); @@ -307,7 +307,7 @@ static void finalize(char *tempdir, const char *prog) fclose(header_fp); /* Package log files */ - system("tar -zcf /var/log/bootchart.tgz header *.log"); // + $pacct + system(xasprintf("tar -zcf /var/log/bootlog.tgz header %s *.log", process_accounting ? "kernel_pacct" : "")); /* Clean up (if we are not in detached tmpfs) */ if (tempdir) { unlink("header"); @@ -315,6 +315,8 @@ static void finalize(char *tempdir, const char *prog) unlink("proc_diskstats.log"); //unlink("proc_netdev.log"); unlink("proc_ps.log"); + if (process_accounting) + unlink("kernel_pacct"); rmdir(tempdir); } @@ -338,6 +340,7 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv) unsigned sample_period_us; pid_t parent_pid, logger_pid; smallint cmd; + int process_accounting; enum { CMD_STOP = 0, CMD_START, @@ -371,6 +374,7 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv) /* Read config file: */ sample_period_us = 200 * 1000; + process_accounting = 0; if (ENABLE_FEATURE_BOOTCHARTD_CONFIG_FILE) { char* token[2]; parser_t *parser = config_open2("/etc/bootchartd.conf" + 5, fopen_for_read); @@ -379,11 +383,16 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv) while (config_read(parser, token, 2, 0, "#=", PARSE_NORMAL & ~PARSE_COLLAPSE)) { if (strcmp(token[0], "SAMPLE_PERIOD") == 0 && token[1]) sample_period_us = atof(token[1]) * 1000000; + if (strcmp(token[0], "PROCESS_ACCOUNTING") == 0 && token[1] + && (strcmp(token[1], "on") == 0 || strcmp(token[1], "yes") == 0) + ) { + process_accounting = 1; + } } config_close(parser); + if ((int)sample_period_us <= 0) + sample_period_us = 1; /* prevent division by 0 */ } - if ((int)sample_period_us <= 0) - sample_period_us = 1; /* prevent division by 0 */ /* Create logger child: */ logger_pid = fork_or_rexec(argv); @@ -411,8 +420,8 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv) putenv((char*)bb_PATH_root_path); tempdir = make_tempdir(); - do_logging(sample_period_us); - finalize(tempdir, cmd == CMD_START ? argv[2] : NULL); + do_logging(sample_period_us, process_accounting); + finalize(tempdir, cmd == CMD_START ? argv[2] : NULL, process_accounting); return EXIT_SUCCESS; } |