//------------------------------------------------------------------------------ // Function Name : dbg_msg_co() // Description : //------------------------------------------------------------------------------ void dbg_msg_co(int color, const char *fmt, ...) { char _buf[256] = {0,}; va_list args; int len; switch (color) { case CO_RED: case CO_GREEN: case CO_YELLOW: case CO_BLUE: case CO_MAGENTA: case CO_CYAN: case CO_WHITE: sprintf(_buf, "%s[%8u] ", col_str[color], log_uptime()); break; case CO_DEF: default: sprintf(_buf, "%s[%8u] ", col_str[CO_DEF], log_uptime()); break; } len = strlen(_buf); va_start(args, fmt); vsnprintf(_buf + len, 256 - len - 1, fmt, args); va_end(args); fprintf(stdout, "%s%s\n", _buf, col_str[CO_DEF]); }
//------------------------------------------------------------------------------ // Function Name : dbg_msg() // Description : //------------------------------------------------------------------------------ void dbg_msg(const char *fmt, ...) { char _buf[256] = {0,}; va_list args; int len; sprintf(_buf, "%s[%8u] ", col_str[CO_DEF], log_uptime()); len = strlen(_buf); va_start(args, fmt); vsnprintf(_buf + len, 256 - len - 1, fmt, args); va_end(args); }
int main(int argc, char *argv[]) { struct sigaction sig; struct ps_struct *ps; char output_file[PATH_MAX]; char datestr[200]; time_t t; FILE *f; memset(&t, 0, sizeof(time_t)); rlim.rlim_cur = 4096; rlim.rlim_max = 4096; (void) setrlimit(RLIMIT_NOFILE, &rlim); f = fopen("/etc/bootchartd.conf", "r"); if (f) { char buf[256]; char *key; char *val; while (fgets(buf, 80, f) != NULL) { char *c; c = strchr(buf, '\n'); if (c) *c = 0; /* remove trailing \n */ if (buf[0] == '#') continue; /* comment line */ key = strtok(buf, "="); if (!key) continue; val = strtok(NULL, "="); if (!val) continue; // todo: filter leading/trailing whitespace if (!strcmp(key, "samples")) len = atoi(val); if (!strcmp(key, "freq")) hz = atof(val); if (!strcmp(key, "rel")) relative = atoi(val); if (!strcmp(key, "filter")) filter = atoi(val); if (!strcmp(key, "pss")) pss = atoi(val); if (!strcmp(key, "output")) strncpy(output_path, val, PATH_MAX - 1); if (!strcmp(key, "init")) strncpy(init_path, val, PATH_MAX - 1); if (!strcmp(key, "scale_x")) scale_x = atof(val); if (!strcmp(key, "scale_y")) scale_y = atof(val); if (!strcmp(key, "entropy")) entropy = atoi(val); } fclose(f); } while (1) { static struct option opts[] = { {"rel", 0, NULL, 'r'}, {"freq", 1, NULL, 'f'}, {"samples", 1, NULL, 'n'}, {"pss", 0, NULL, 'p'}, {"output", 1, NULL, 'o'}, {"init", 1, NULL, 'i'}, {"filter", 0, NULL, 'F'}, {"help", 0, NULL, 'h'}, {"scale-x", 1, NULL, 'x'}, {"scale-y", 1, NULL, 'y'}, {"entropy", 0, NULL, 'e'}, {NULL, 0, NULL, 0} }; int index = 0, c; c = getopt_long(argc, argv, "erpf:n:o:i:Fhx:y:", opts, &index); if (c == -1) break; switch (c) { case 'r': relative = 1; break; case 'f': hz = atof(optarg); break; case 'F': filter = 0; break; case 'n': len = atoi(optarg); break; case 'o': strncpy(output_path, optarg, PATH_MAX - 1); break; case 'i': strncpy(init_path, optarg, PATH_MAX - 1); break; case 'p': pss = 1; break; case 'x': scale_x = atof(optarg); break; case 'y': scale_y = atof(optarg); break; case 'e': entropy = 1; break; case 'h': fprintf(stderr, "Usage: %s [OPTIONS]\n", argv[0]); fprintf(stderr, " --rel, -r Record time relative to recording\n"); fprintf(stderr, " --freq, -f N Sample frequency [%f]\n", hz); fprintf(stderr, " --samples, -n N Stop sampling at [%d] samples\n", len); fprintf(stderr, " --scale-x, -x N Scale the graph horizontally [%f] \n", scale_x); fprintf(stderr, " --scale-y, -y N Scale the graph vertically [%f] \n", scale_y); fprintf(stderr, " --pss, -p Enable PSS graph (CPU intensive)\n"); fprintf(stderr, " --entropy, -e Enable the entropy_avail graph\n"); fprintf(stderr, " --output, -o [PATH] Path to output files [%s]\n", output_path); fprintf(stderr, " --init, -i [PATH] Path to init executable [%s]\n", init_path); fprintf(stderr, " --filter, -F Disable filtering of processes from the graph\n"); fprintf(stderr, " that are of less importance or short-lived\n"); fprintf(stderr, " --help, -h Display this message\n"); fprintf(stderr, "See the installed README and bootchartd.conf.example for more information.\n"); exit (EXIT_SUCCESS); break; default: break; } } if (len > MAXSAMPLES) { fprintf(stderr, "Error: samples exceeds maximum\n"); exit(EXIT_FAILURE); } if (hz <= 0.0) { fprintf(stderr, "Error: Frequency needs to be > 0\n"); exit(EXIT_FAILURE); } /* * If the kernel executed us through init=/sbin/bootchartd, then * fork: * - parent execs executable specified via init_path[] (/sbin/init by default) as pid=1 * - child logs data */ if (getpid() == 1) { if (fork()) { /* parent */ execl(init_path, init_path, NULL); } } /* start with empty ps LL */ ps_first = malloc(sizeof(struct ps_struct)); if (!ps_first) { perror("malloc(ps_struct)"); exit(EXIT_FAILURE); } memset(ps_first, 0, sizeof(struct ps_struct)); /* handle TERM/INT nicely */ memset(&sig, 0, sizeof(struct sigaction)); sig.sa_handler = signal_handler; sigaction(SIGHUP, &sig, NULL); interval = (1.0 / hz) * 1000000000.0; log_uptime(); /* main program loop */ while (!exiting) { int res; double sample_stop; struct timespec req; time_t newint_s; long newint_ns; double elapsed; double timeleft; sampletime[samples] = gettime_ns(); /* wait for /proc to become available, discarding samples */ if (!graph_start) log_uptime(); else log_sample(samples); sample_stop = gettime_ns(); elapsed = (sample_stop - sampletime[samples]) * 1000000000.0; timeleft = interval - elapsed; newint_s = (time_t)(timeleft / 1000000000.0); newint_ns = (long)(timeleft - (newint_s * 1000000000.0)); /* * check if we have not consumed our entire timeslice. If we * do, don't sleep and take a new sample right away. * we'll lose all the missed samples and overrun our total * time */ if ((newint_ns > 0) || (newint_s > 0)) { req.tv_sec = newint_s; req.tv_nsec = newint_ns; res = nanosleep(&req, NULL); if (res) { if (errno == EINTR) { /* caught signal, probably HUP! */ break; } perror("nanosleep()"); exit (EXIT_FAILURE); } } else { overrun++; /* calculate how many samples we lost and scrap them */ len = len + ((int)(newint_ns / interval)); } samples++; if (samples > len) break; } /* do some cleanup, close fd's */ ps = ps_first; while (ps->next_ps) { ps = ps->next_ps; if (ps->schedstat) close(ps->schedstat); if (ps->sched) close(ps->sched); if (ps->smaps) fclose(ps->smaps); } closedir(proc); t = time(NULL); strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", output_path, datestr); of = fopen(output_file, "w"); if (!of) { perror("open output_file"); exit (EXIT_FAILURE); } svg_do(); fprintf(stderr, "bootchartd: Wrote %s\n", output_file); fclose(of); /* nitpic cleanups */ ps = ps_first; while (ps->next_ps) { struct ps_struct *old = ps; ps = ps->next_ps; free(old->sample); free(old); } free(ps->sample); free(ps); /* don't complain when overrun once, happens most commonly on 1st sample */ if (overrun > 1) fprintf(stderr, "bootchartd: Warning: sample time overrun %i times\n", overrun); return 0; }
int main(int argc, char *argv[]) { _cleanup_free_ char *build = NULL; struct sigaction sig = { .sa_handler = signal_handler, }; struct ps_struct *ps; char output_file[PATH_MAX]; char datestr[200]; time_t t = 0; int r; struct rlimit rlim; parse_conf(); r = parse_args(argc, argv); if (r < 0) return EXIT_FAILURE; /* * If the kernel executed us through init=/usr/lib/systemd/systemd-bootchart, then * fork: * - parent execs executable specified via init_path[] (/sbin/init by default) as pid=1 * - child logs data */ if (getpid() == 1) { if (fork()) { /* parent */ execl(arg_init_path, arg_init_path, NULL); } } argv[0][0] = '@'; rlim.rlim_cur = 4096; rlim.rlim_max = 4096; (void) setrlimit(RLIMIT_NOFILE, &rlim); /* start with empty ps LL */ ps_first = calloc(1, sizeof(struct ps_struct)); if (!ps_first) { perror("calloc(ps_struct)"); exit(EXIT_FAILURE); } /* handle TERM/INT nicely */ sigaction(SIGHUP, &sig, NULL); interval = (1.0 / arg_hz) * 1000000000.0; log_uptime(); LIST_HEAD_INIT(struct list_sample_data, head); /* main program loop */ for (samples = 0; !exiting && samples < arg_samples_len; samples++) { int res; double sample_stop; struct timespec req; time_t newint_s; long newint_ns; double elapsed; double timeleft; sampledata = new0(struct list_sample_data, 1); if (sampledata == NULL) { log_error("Failed to allocate memory for a node: %m"); return -1; } sampledata->sampletime = gettime_ns(); sampledata->counter = samples; if (!of && (access(arg_output_path, R_OK|W_OK|X_OK) == 0)) { t = time(NULL); strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", arg_output_path, datestr); of = fopen(output_file, "w"); } if (sysfd < 0) sysfd = open("/sys", O_RDONLY); if (!build) parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &build, NULL); /* wait for /proc to become available, discarding samples */ if (graph_start <= 0.0) log_uptime(); else log_sample(samples, &sampledata); sample_stop = gettime_ns(); elapsed = (sample_stop - sampledata->sampletime) * 1000000000.0; timeleft = interval - elapsed; newint_s = (time_t)(timeleft / 1000000000.0); newint_ns = (long)(timeleft - (newint_s * 1000000000.0)); /* * check if we have not consumed our entire timeslice. If we * do, don't sleep and take a new sample right away. * we'll lose all the missed samples and overrun our total * time */ if (newint_ns > 0 || newint_s > 0) { req.tv_sec = newint_s; req.tv_nsec = newint_ns; res = nanosleep(&req, NULL); if (res) { if (errno == EINTR) { /* caught signal, probably HUP! */ break; } perror("nanosleep()"); exit (EXIT_FAILURE); } } else { overrun++; /* calculate how many samples we lost and scrap them */ arg_samples_len -= (int)(newint_ns / interval); } LIST_PREPEND(struct list_sample_data, link, head, sampledata); } /* do some cleanup, close fd's */ ps = ps_first; while (ps->next_ps) { ps = ps->next_ps; if (ps->schedstat) close(ps->schedstat); if (ps->sched) close(ps->sched); if (ps->smaps) fclose(ps->smaps); } if (!of) { t = time(NULL); strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", arg_output_path, datestr); of = fopen(output_file, "w"); } if (!of) { fprintf(stderr, "opening output file '%s': %m\n", output_file); exit (EXIT_FAILURE); } svg_do(build); fprintf(stderr, "systemd-bootchart wrote %s\n", output_file); do_journal_append(output_file); if (of) fclose(of); closedir(proc); if (sysfd >= 0) close(sysfd); /* nitpic cleanups */ ps = ps_first->next_ps; while (ps->next_ps) { struct ps_struct *old; old = ps; old->sample = ps->first; ps = ps->next_ps; while (old->sample->next) { struct ps_sched_struct *oldsample = old->sample; old->sample = old->sample->next; free(oldsample); } free(old->sample); free(old); } free(ps->sample); free(ps); sampledata = head; while (sampledata->link_prev) { struct list_sample_data *old_sampledata = sampledata; sampledata = sampledata->link_prev; free(old_sampledata); } free(sampledata); /* don't complain when overrun once, happens most commonly on 1st sample */ if (overrun > 1) fprintf(stderr, "systemd-boochart: Warning: sample time overrun %i times\n", overrun); return 0; }
int main(int argc, char *argv[]) { _cleanup_free_ char *build = NULL; struct sigaction sig; struct ps_struct *ps; char output_file[PATH_MAX]; char datestr[200]; time_t t = 0; const char *fn; _cleanup_fclose_ FILE *f; int gind; int i, r; char *init = NULL, *output = NULL; struct rlimit rlim; const ConfigTableItem items[] = { { "Bootchart", "Samples", config_parse_int, 0, &arg_samples_len }, { "Bootchart", "Frequency", config_parse_double, 0, &arg_hz }, { "Bootchart", "Relative", config_parse_bool, 0, &arg_relative }, { "Bootchart", "Filter", config_parse_bool, 0, &arg_filter }, { "Bootchart", "Output", config_parse_path, 0, &output }, { "Bootchart", "Init", config_parse_path, 0, &init }, { "Bootchart", "PlotMemoryUsage", config_parse_bool, 0, &arg_pss }, { "Bootchart", "PlotEntropyGraph", config_parse_bool, 0, &arg_entropy }, { "Bootchart", "ScaleX", config_parse_double, 0, &arg_scale_x }, { "Bootchart", "ScaleY", config_parse_double, 0, &arg_scale_y }, { NULL, NULL, NULL, 0, NULL } }; fn = "/etc/systemd/bootchart.conf"; f = fopen(fn, "re"); if (f) { r = config_parse(fn, f, NULL, config_item_table_lookup, (void*) items, true, NULL); if (r < 0) log_warning("Failed to parse configuration file: %s", strerror(-r)); if (init != NULL) strscpy(arg_init_path, sizeof(arg_init_path), init); if (output != NULL) strscpy(arg_output_path, sizeof(arg_output_path), output); } while (1) { static struct option opts[] = { {"rel", no_argument, NULL, 'r'}, {"freq", required_argument, NULL, 'f'}, {"samples", required_argument, NULL, 'n'}, {"pss", no_argument, NULL, 'p'}, {"output", required_argument, NULL, 'o'}, {"init", required_argument, NULL, 'i'}, {"no-filter", no_argument, NULL, 'F'}, {"cmdline", no_argument, NULL, 'C'}, {"help", no_argument, NULL, 'h'}, {"scale-x", required_argument, NULL, 'x'}, {"scale-y", required_argument, NULL, 'y'}, {"entropy", no_argument, NULL, 'e'}, {NULL, 0, NULL, 0} }; gind = 0; i = getopt_long(argc, argv, "erpf:n:o:i:FChx:y:", opts, &gind); if (i == -1) break; switch (i) { case 'r': arg_relative = true; break; case 'f': r = safe_atod(optarg, &arg_hz); if (r < 0) log_warning("failed to parse --freq/-f argument '%s': %s", optarg, strerror(-r)); break; case 'F': arg_filter = false; break; case 'C': arg_show_cmdline = true; break; case 'n': r = safe_atoi(optarg, &arg_samples_len); if (r < 0) log_warning("failed to parse --samples/-n argument '%s': %s", optarg, strerror(-r)); break; case 'o': path_kill_slashes(optarg); strscpy(arg_output_path, sizeof(arg_output_path), optarg); break; case 'i': path_kill_slashes(optarg); strscpy(arg_init_path, sizeof(arg_init_path), optarg); break; case 'p': arg_pss = true; break; case 'x': r = safe_atod(optarg, &arg_scale_x); if (r < 0) log_warning("failed to parse --scale-x/-x argument '%s': %s", optarg, strerror(-r)); break; case 'y': r = safe_atod(optarg, &arg_scale_y); if (r < 0) log_warning("failed to parse --scale-y/-y argument '%s': %s", optarg, strerror(-r)); break; case 'e': arg_entropy = true; break; case 'h': fprintf(stderr, "Usage: %s [OPTIONS]\n", argv[0]); fprintf(stderr, " --rel, -r Record time relative to recording\n"); fprintf(stderr, " --freq, -f f Sample frequency [%f]\n", arg_hz); fprintf(stderr, " --samples, -n N Stop sampling at [%d] samples\n", arg_samples_len); fprintf(stderr, " --scale-x, -x N Scale the graph horizontally [%f] \n", arg_scale_x); fprintf(stderr, " --scale-y, -y N Scale the graph vertically [%f] \n", arg_scale_y); fprintf(stderr, " --pss, -p Enable PSS graph (CPU intensive)\n"); fprintf(stderr, " --entropy, -e Enable the entropy_avail graph\n"); fprintf(stderr, " --output, -o [PATH] Path to output files [%s]\n", arg_output_path); fprintf(stderr, " --init, -i [PATH] Path to init executable [%s]\n", arg_init_path); fprintf(stderr, " --no-filter, -F Disable filtering of processes from the graph\n"); fprintf(stderr, " that are of less importance or short-lived\n"); fprintf(stderr, " --cmdline, -C Display the full command line with arguments\n"); fprintf(stderr, " of processes, instead of only the process name\n"); fprintf(stderr, " --help, -h Display this message\n"); fprintf(stderr, "See bootchart.conf for more information.\n"); exit (EXIT_SUCCESS); break; default: break; } } if (arg_samples_len > MAXSAMPLES) { fprintf(stderr, "Error: samples exceeds maximum\n"); exit(EXIT_FAILURE); } if (arg_hz <= 0.0) { fprintf(stderr, "Error: Frequency needs to be > 0\n"); exit(EXIT_FAILURE); } /* * If the kernel executed us through init=/usr/lib/systemd/systemd-bootchart, then * fork: * - parent execs executable specified via init_path[] (/sbin/init by default) as pid=1 * - child logs data */ if (getpid() == 1) { if (fork()) { /* parent */ execl(arg_init_path, arg_init_path, NULL); } } argv[0][0] = '@'; rlim.rlim_cur = 4096; rlim.rlim_max = 4096; (void) setrlimit(RLIMIT_NOFILE, &rlim); /* start with empty ps LL */ ps_first = calloc(1, sizeof(struct ps_struct)); if (!ps_first) { perror("calloc(ps_struct)"); exit(EXIT_FAILURE); } /* handle TERM/INT nicely */ memset(&sig, 0, sizeof(struct sigaction)); sig.sa_handler = signal_handler; sigaction(SIGHUP, &sig, NULL); interval = (1.0 / arg_hz) * 1000000000.0; log_uptime(); /* main program loop */ while (!exiting) { int res; double sample_stop; struct timespec req; time_t newint_s; long newint_ns; double elapsed; double timeleft; sampletime[samples] = gettime_ns(); if (!of && (access(arg_output_path, R_OK|W_OK|X_OK) == 0)) { t = time(NULL); strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", arg_output_path, datestr); of = fopen(output_file, "w"); } if (sysfd < 0) sysfd = open("/sys", O_RDONLY); if (!build) parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &build, NULL); /* wait for /proc to become available, discarding samples */ if (!(graph_start > 0.0)) log_uptime(); else log_sample(samples); sample_stop = gettime_ns(); elapsed = (sample_stop - sampletime[samples]) * 1000000000.0; timeleft = interval - elapsed; newint_s = (time_t)(timeleft / 1000000000.0); newint_ns = (long)(timeleft - (newint_s * 1000000000.0)); /* * check if we have not consumed our entire timeslice. If we * do, don't sleep and take a new sample right away. * we'll lose all the missed samples and overrun our total * time */ if ((newint_ns > 0) || (newint_s > 0)) { req.tv_sec = newint_s; req.tv_nsec = newint_ns; res = nanosleep(&req, NULL); if (res) { if (errno == EINTR) { /* caught signal, probably HUP! */ break; } perror("nanosleep()"); exit (EXIT_FAILURE); } } else { overrun++; /* calculate how many samples we lost and scrap them */ arg_samples_len = arg_samples_len + ((int)(newint_ns / interval)); } samples++; if (samples > arg_samples_len) break; } /* do some cleanup, close fd's */ ps = ps_first; while (ps->next_ps) { ps = ps->next_ps; if (ps->schedstat) close(ps->schedstat); if (ps->sched) close(ps->sched); if (ps->smaps) fclose(ps->smaps); } if (!of) { t = time(NULL); strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", arg_output_path, datestr); of = fopen(output_file, "w"); } if (!of) { fprintf(stderr, "opening output file '%s': %m\n", output_file); exit (EXIT_FAILURE); } svg_do(build); fprintf(stderr, "systemd-bootchart wrote %s\n", output_file); if (of) fclose(of); closedir(proc); if (sysfd >= 0) close(sysfd); /* nitpic cleanups */ ps = ps_first; while (ps->next_ps) { struct ps_struct *old = ps; ps = ps->next_ps; free(old->sample); free(old); } free(ps->sample); free(ps); /* don't complain when overrun once, happens most commonly on 1st sample */ if (overrun > 1) fprintf(stderr, "systemd-boochart: Warning: sample time overrun %i times\n", overrun); return 0; }