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-rw-r--r--system_cmds/sc_usage.tproj/sc_usage.c1787
1 files changed, 1787 insertions, 0 deletions
diff --git a/system_cmds/sc_usage.tproj/sc_usage.c b/system_cmds/sc_usage.tproj/sc_usage.c
new file mode 100644
index 0000000..d704479
--- /dev/null
+++ b/system_cmds/sc_usage.tproj/sc_usage.c
@@ -0,0 +1,1787 @@
+/*
+ * Copyright (c) 1999-2019 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
+ * Reserved. This file contains Original Code and/or Modifications of
+ * Original Code as defined in and that are subject to the Apple Public
+ * Source License Version 1.0 (the 'License'). You may not use this file
+ * except in compliance with the License. Please obtain a copy of the
+ * License at http://www.apple.com/publicsource and read it before using
+ * this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License."
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+/*
+cc -I. -DPRIVATE -D__APPLE_PRIVATE -O -o sc_usage sc_usage.c -lncurses
+*/
+
+#define Default_DELAY 1 /* default delay interval */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <signal.h>
+#include <strings.h>
+#include <nlist.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/ptrace.h>
+
+#include <libc.h>
+#include <termios.h>
+#include <curses.h>
+
+#include <sys/ioctl.h>
+
+#ifndef KERNEL_PRIVATE
+#define KERNEL_PRIVATE
+#include <sys/kdebug.h>
+#undef KERNEL_PRIVATE
+#else
+#include <sys/kdebug.h>
+#endif /*KERNEL_PRIVATE*/
+
+#include <sys/sysctl.h>
+#include <errno.h>
+#include <mach/mach_time.h>
+#include <err.h>
+#include <libutil.h>
+
+/* Number of lines of header information on the standard screen */
+#define HEADER_LINES 5
+
+int newLINES = 0;
+int Header_lines = HEADER_LINES;
+
+int how_to_sort = 0;
+int no_screen_refresh = 0;
+int execute_flag = 0;
+int topn = 0;
+int pid;
+int called = 0;
+int sort_now = 0;
+int waiting_index = 0;
+FILE *dfp = 0; /*Debug output file */
+long start_time = 0;
+
+#define SAMPLE_SIZE 20000
+
+#define DBG_ZERO_FILL_FAULT 1
+#define DBG_PAGEIN_FAULT 2
+#define DBG_COW_FAULT 3
+#define DBG_CACHE_HIT_FAULT 4
+
+#define MAX_SC 1024
+#define MAX_THREADS 16
+#define MAX_NESTED 8
+#define MAX_FAULTS 5
+
+
+#define NUMPARMS 23
+
+
+char *state_name[] = {
+ "Dont Know",
+ "Running S",
+ "Running U",
+ "Waiting",
+ "Pre-empted",
+};
+
+#define DONT_KNOW 0
+#define KERNEL_MODE 1
+#define USER_MODE 2
+#define WAITING 3
+#define PREEMPTED 4
+
+struct entry {
+ int sc_state;
+ int type;
+ int code;
+ double otime;
+ double stime;
+ double ctime;
+ double wtime;
+};
+
+struct th_info {
+ uint64_t thread;
+ int depth;
+ int vfslookup;
+ int curpri;
+ int64_t *pathptr;
+ int64_t pathname[NUMPARMS + 1];
+ struct entry th_entry[MAX_NESTED];
+};
+
+struct sc_entry {
+ char name[64];
+ int delta_count;
+ int total_count;
+ int waiting;
+ unsigned int stime_secs;
+ double stime_usecs;
+ unsigned int wtime_secs;
+ double wtime_usecs;
+ unsigned int delta_wtime_secs;
+ double delta_wtime_usecs;
+};
+
+struct th_info th_state[MAX_THREADS];
+struct sc_entry faults[MAX_FAULTS];
+
+struct sc_entry *sc_tab;
+int *msgcode_tab;
+int msgcode_cnt; /* number of MSG_ codes */
+
+int num_of_threads = 0;
+int now_collect_cpu_time = 0;
+
+unsigned int utime_secs;
+double utime_usecs;
+
+int in_idle = 0;
+unsigned int itime_secs;
+double itime_usecs;
+unsigned int delta_itime_secs;
+double delta_itime_usecs;
+double idle_start;
+
+int in_other = 0;
+unsigned int otime_secs;
+double otime_usecs;
+unsigned int delta_otime_secs;
+double delta_otime_usecs;
+double other_start;
+
+int max_sc = 0;
+int bsc_base = 0;
+int msc_base = 0;
+int mach_idle = 0;
+int mach_sched = 0;
+int mach_stkhandoff = 0;
+int vfs_lookup = 0;
+int mach_vmfault = 0;
+int bsc_exit = 0;
+int *sort_by_count;
+int *sort_by_wtime;
+
+char proc_name[32];
+
+#define DBG_FUNC_ALL (DBG_FUNC_START | DBG_FUNC_END)
+#define DBG_FUNC_MASK 0xfffffffc
+
+int preempted;
+int csw;
+int total_faults;
+int scalls;
+
+/* Default divisor */
+#define DIVISOR 16.6666 /* Trace divisor converts to microseconds */
+double divisor = DIVISOR;
+
+int mib[6];
+size_t needed;
+void *my_buffer;
+
+kbufinfo_t bufinfo = {0, 0, 0, 0};
+
+int trace_enabled = 0;
+int set_remove_flag = 1;
+
+struct kinfo_proc *kp_buffer = 0;
+size_t kp_nentries = 0;
+
+extern char **environ;
+
+static void set_enable(int);
+static void set_pidcheck(int, int);
+static void set_remove(void);
+static void set_numbufs(int);
+static void set_init(void);
+void quit(char *);
+int argtopid(char *);
+int argtoi(int, char*, char*, int);
+
+void get_bufinfo(kbufinfo_t *);
+static void reset_counters(void);
+static void getdivisor(void);
+static void screen_update(void);
+static void sc_tab_init(char *);
+static void sort_scalls(void);
+static void sample_sc(void);
+static int find_msgcode(int);
+
+/*
+ * signal handlers
+ */
+
+/* exit under normal conditions -- INT handler */
+static void
+leave(__unused int unused)
+{
+ if (no_screen_refresh == 0) {
+ move(LINES - 1, 0);
+ refresh();
+ endwin();
+ }
+ set_enable(0);
+ set_pidcheck(pid, 0);
+ set_remove();
+ exit(0);
+}
+
+static void
+sigwinch(__unused int unused)
+{
+ if (no_screen_refresh == 0)
+ newLINES = 1;
+}
+
+static int
+exit_usage(char *myname)
+{
+ fprintf(stderr, "Usage: %s [-c codefile] [-e] [-l] [-sn] pid | cmd | -E execute path\n", myname);
+ fprintf(stderr, " -c name of codefile containing mappings for syscalls\n");
+ fprintf(stderr, " Default is /usr/share/misc/trace.codes\n");
+ fprintf(stderr, " -e enable sort by call count\n");
+ fprintf(stderr, " -l turn off top style output\n");
+ fprintf(stderr, " -sn change sample rate to every n seconds\n");
+ fprintf(stderr, " pid selects process to sample\n");
+ fprintf(stderr, " cmd selects command to sample\n");
+ fprintf(stderr, " -E Execute the given path and optional arguments\n");
+
+ exit(1);
+}
+
+#define usec_to_1000ths(t) ((t) / 1000)
+
+static void
+print_time(char *p, unsigned int useconds, unsigned int seconds)
+{
+ long minutes, hours;
+
+ minutes = seconds / 60;
+ hours = minutes / 60;
+
+ if (minutes < 100) { // up to 100 minutes
+ sprintf(p, "%02ld:%02ld.%03ld", minutes, (unsigned long)(seconds % 60),
+ (unsigned long)usec_to_1000ths(useconds));
+ }
+ else if (hours < 100) { // up to 100 hours
+ sprintf(p, "%02ld:%02ld:%02ld ", hours, (minutes % 60),
+ (unsigned long)(seconds % 60));
+ }
+ else {
+ sprintf(p, "%4ld hrs ", hours);
+ }
+}
+
+static void
+resetscr(void)
+{
+ (void)endwin();
+}
+
+int
+main(int argc, char *argv[])
+{
+ char *myname = "sc_usage";
+ char *codefile = "/usr/share/misc/trace.codes";
+ char ch;
+ char *ptr;
+ int delay = Default_DELAY;
+
+ if ( geteuid() != 0 ) {
+ printf("'sc_usage' must be run as root...\n");
+ exit(1);
+ }
+
+#if !defined(__arm64__)
+ if (0 != reexec_to_match_kernel()) {
+ fprintf(stderr, "Could not re-execute: %d\n", errno);
+ exit(1);
+ }
+#endif
+
+ /* get our name */
+ if (argc > 0) {
+ if ((myname = rindex(argv[0], '/')) == 0) {
+ myname = argv[0];
+ }
+ else {
+ myname++;
+ }
+ }
+
+ while ((ch = getopt(argc, argv, "c:els:d:E")) != EOF) {
+ switch(ch) {
+ case 's':
+ delay = argtoi('s', "decimal number", optarg, 10);
+ break;
+ case 'e':
+ how_to_sort = 1;
+ break;
+ case 'l':
+ no_screen_refresh = 1;
+ break;
+ case 'c':
+ codefile = optarg;
+ break;
+ case 'E':
+ execute_flag = 1;
+ break;
+ default:
+ /* exit_usage(myname);*/
+ exit_usage("default");
+ }
+ }
+ argc -= optind;
+ //argv += optind;
+
+ sc_tab_init(codefile);
+
+ if (argc)
+ {
+ if (!execute_flag)
+ {
+ /* parse a pid or a command */
+ if((pid = argtopid(argv[optind])) < 0 )
+ exit_usage(myname);
+ }
+ else
+ { /* execute this command */
+
+ uid_t uid, euid;
+ gid_t gid, egid;
+
+ ptr = strrchr(argv[optind], '/');
+ if (ptr)
+ ptr++;
+ else
+ ptr = argv[optind];
+
+ strncpy(proc_name, ptr, sizeof(proc_name)-1);
+ proc_name[sizeof(proc_name)-1] = '\0';
+
+ uid= getuid();
+ gid= getgid();
+ euid= geteuid();
+ egid= getegid();
+
+ seteuid(uid);
+ setegid(gid);
+
+ fprintf(stderr, "Starting program: %s\n", argv[optind]);
+ fflush(stdout);
+ fflush(stderr);
+ switch ((pid = vfork()))
+ {
+ case -1:
+ perror("vfork: ");
+ exit(1);
+ case 0: /* child */
+ setsid();
+ ptrace(0,(pid_t)0,(caddr_t)0,0); /* PT_TRACE_ME */
+ execve(argv[optind], &argv[optind], environ);
+ perror("execve:");
+ exit(1);
+ }
+
+ seteuid(euid);
+ setegid(egid);
+ }
+ }
+ else
+ {
+ exit_usage(myname);
+ }
+
+
+ if (no_screen_refresh == 0) {
+
+ /* initializes curses and screen (last) */
+ if (initscr() == (WINDOW *) 0)
+ {
+ printf("Unrecognized TERM type, try vt100\n");
+ exit(1);
+ }
+ atexit(resetscr);
+ cbreak();
+ timeout(100);
+ noecho();
+
+ clear();
+ refresh();
+ }
+
+
+ /* set up signal handlers */
+ signal(SIGINT, leave);
+ signal(SIGQUIT, leave);
+ signal(SIGHUP, leave);
+ signal(SIGTERM, leave);
+ signal(SIGWINCH, sigwinch);
+
+ if (no_screen_refresh == 0)
+ topn = LINES - Header_lines;
+ else {
+ topn = 1024;
+ COLS = 80;
+ }
+
+ set_remove();
+ set_numbufs(SAMPLE_SIZE);
+ set_init();
+ set_pidcheck(pid, 1);
+ set_enable(1);
+ if (execute_flag)
+ ptrace(7, pid, (caddr_t)1, 0); /* PT_CONTINUE */
+ getdivisor();
+
+ if (delay == 0)
+ delay = 1;
+ if ((sort_now = 10 / delay) < 2)
+ sort_now = 2;
+
+ get_bufinfo(&bufinfo);
+
+ my_buffer = malloc(bufinfo.nkdbufs * sizeof(kd_buf));
+ if(my_buffer == (char *) 0)
+ quit("can't allocate memory for tracing info\n");
+
+ (void)sort_scalls();
+ (void)screen_update();
+
+ /* main loop */
+
+ while (1) {
+ int i;
+ char c;
+
+ for (i = 0; i < (10 * delay) && newLINES == 0; i++) {
+
+ if (no_screen_refresh == 0) {
+ if ((c = getch()) != ERR && (char)c == 'q')
+ leave(0);
+ if (c != ERR)
+ reset_counters();
+ } else
+ usleep(100000);
+ sample_sc();
+ }
+ (void)sort_scalls();
+
+ if (newLINES) {
+ /*
+ No need to check for initscr error return.
+ We won't get here if it fails on the first call.
+ */
+ endwin();
+ clear();
+ refresh();
+
+ topn = LINES - Header_lines;
+ newLINES = 0;
+ }
+ (void)screen_update();
+ }
+}
+
+static void
+print_row(struct sc_entry *se, int no_wtime)
+{
+ char tbuf[256];
+ size_t clen;
+
+ if (se->delta_count)
+ sprintf(tbuf, "%-23.23s %8d(%d)", se->name, se->total_count, se->delta_count);
+ else
+ sprintf(tbuf, "%-23.23s %8d", se->name, se->total_count);
+ clen = strlen(tbuf);
+
+ memset(&tbuf[clen], ' ', 45 - clen);
+
+ print_time(&tbuf[45], (unsigned int)(se->stime_usecs), se->stime_secs);
+ clen = strlen(tbuf);
+
+ if (no_wtime == 0 && (se->wtime_usecs || se->wtime_secs)) {
+ sprintf(&tbuf[clen], " ");
+ clen += strlen(&tbuf[clen]);
+
+ print_time(&tbuf[clen], (unsigned int)(se->wtime_usecs), se->wtime_secs);
+ clen += strlen(&tbuf[clen]);
+
+ if (se->waiting || se->delta_wtime_usecs || se->delta_wtime_secs) {
+
+ sprintf(&tbuf[clen], "(");
+ clen += strlen(&tbuf[clen]);
+
+ print_time(&tbuf[clen], (unsigned int)(se->delta_wtime_usecs),
+ se->delta_wtime_secs);
+ clen += strlen(&tbuf[clen]);
+
+ sprintf(&tbuf[clen], ")");
+ clen += strlen(&tbuf[clen]);
+
+ if (se->waiting) {
+ if (se->waiting == 1)
+ sprintf(&tbuf[clen], " W");
+ else
+ sprintf(&tbuf[clen], " %d", se->waiting);
+ clen += strlen(&tbuf[clen]);
+ }
+ }
+ }
+ sprintf(&tbuf[clen], "\n");
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+}
+
+static void
+screen_update(void)
+{
+ char *p1, *p2, *p3;
+ char tbuf[256];
+ size_t clen;
+ size_t plen;
+ int n, i, rows;
+ long curr_time;
+ long elapsed_secs;
+ long hours;
+ long minutes;
+ struct sc_entry *se;
+ int output_lf;
+ int max_rows;
+ struct th_info *ti;
+
+ if (no_screen_refresh == 0) {
+ /* clear for new display */
+ erase();
+ move(0, 0);
+ }
+ rows = 0;
+
+ sprintf(tbuf, "%-14.14s", proc_name);
+ clen = strlen(tbuf);
+
+ if (preempted == 1)
+ p1 = "preemption ";
+ else
+ p1 = "preemptions";
+ if (csw == 1)
+ p2 = "context switch ";
+ else
+ p2 = "context switches";
+ if (num_of_threads == 1)
+ p3 = "thread ";
+ else
+ p3 = "threads";
+
+ sprintf(&tbuf[clen], " %4d %s %4d %s %4d %s",
+ preempted, p1, csw, p2, num_of_threads, p3);
+ clen += strlen(&tbuf[clen]);
+
+ /*
+ * Display the current time.
+ * "ctime" always returns a string that looks like this:
+ *
+ * Sun Sep 16 01:03:52 1973
+ * 012345678901234567890123
+ * 1 2
+ *
+ * We want indices 11 thru 18 (length 8).
+ */
+ curr_time = time((long *)0);
+
+ if (start_time == 0)
+ start_time = curr_time;
+
+ elapsed_secs = curr_time - start_time;
+ minutes = elapsed_secs / 60;
+ hours = minutes / 60;
+
+ memset(&tbuf[clen], ' ', 78 - clen);
+
+ clen = 78 - 8;
+
+ sprintf(&tbuf[clen], "%-8.8s\n", &(ctime(&curr_time)[11]));
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+
+ if (total_faults == 1)
+ p1 = "fault ";
+ else
+ p1 = "faults";
+ if (scalls == 1)
+ p2 = "system call ";
+ else
+ p2 = "system calls";
+ sprintf(tbuf, " %4d %s %4d %s",
+ total_faults, p1, scalls, p2);
+
+ clen = strlen(tbuf);
+ sprintf(&tbuf[clen], " %3ld:%02ld:%02ld\n",
+ hours, minutes % 60, elapsed_secs % 60);
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+
+
+
+ sprintf(tbuf, "\nTYPE NUMBER CPU_TIME WAIT_TIME\n");
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+
+ sprintf(tbuf, "------------------------------------------------------------------------------\n");
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+ rows = 0;
+
+
+
+ sprintf(tbuf, "System Idle ");
+ clen = strlen(tbuf);
+
+ print_time(&tbuf[clen], itime_usecs, itime_secs);
+ clen += strlen(&tbuf[clen]);
+
+ if (delta_itime_usecs || delta_itime_secs) {
+
+ sprintf(&tbuf[clen], "(");
+ clen += strlen(&tbuf[clen]);
+
+ print_time(&tbuf[clen], delta_itime_usecs, delta_itime_secs);
+ clen += strlen(&tbuf[clen]);
+
+ sprintf(&tbuf[clen], ")");
+ clen += strlen(&tbuf[clen]);
+ }
+ sprintf(&tbuf[clen], "\n");
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+ rows++;
+
+
+
+ sprintf(tbuf, "System Busy ");
+ clen = strlen(tbuf);
+
+ print_time(&tbuf[clen], otime_usecs, otime_secs);
+ clen += strlen(&tbuf[clen]);
+
+ if (delta_otime_usecs || delta_otime_secs) {
+
+ sprintf(&tbuf[clen], "(");
+ clen += strlen(&tbuf[clen]);
+
+ print_time(&tbuf[clen], delta_otime_usecs, delta_otime_secs);
+ clen += strlen(&tbuf[clen]);
+
+ sprintf(&tbuf[clen], ")");
+ clen += strlen(&tbuf[clen]);
+ }
+ sprintf(&tbuf[clen], "\n");
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+ rows++;
+
+
+ sprintf(tbuf, "%-14.14s Usermode ", proc_name);
+ clen = strlen(tbuf);
+
+ print_time(&tbuf[clen], utime_usecs, utime_secs);
+ clen += strlen(&tbuf[clen]);
+
+ sprintf(&tbuf[clen], "\n");
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+ rows++;
+
+ if (num_of_threads)
+ max_rows = topn - (num_of_threads + 3);
+ else
+ max_rows = topn;
+
+ for (output_lf = 1, n = 1; rows < max_rows && n < MAX_FAULTS; n++) {
+ se = &faults[n];
+
+ if (se->total_count == 0)
+ continue;
+ if (output_lf == 1) {
+ sprintf(tbuf, "\n");
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+ rows++;
+
+ if (rows >= max_rows)
+ break;
+ output_lf = 0;
+ }
+ print_row(se, 0);
+ rows++;
+ }
+ sprintf(tbuf, "\n");
+
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+ rows++;
+
+ for (i = 0; rows < max_rows; i++) {
+ if (how_to_sort)
+ n = sort_by_count[i];
+ else
+ n = sort_by_wtime[i];
+ if (n == -1)
+ break;
+ print_row(&sc_tab[n], 0);
+ rows++;
+ }
+
+
+ sprintf(tbuf, "\n");
+ if (no_screen_refresh == 0) {
+ while (rows++ < max_rows)
+ printw(tbuf);
+ } else
+ printf("%s", tbuf);
+
+ if (num_of_threads) {
+ sprintf(tbuf, "\nCURRENT_TYPE LAST_PATHNAME_WAITED_FOR CUR_WAIT_TIME THRD# PRI\n");
+
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+
+ sprintf(tbuf, "------------------------------------------------------------------------------\n");
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+ }
+ ti = &th_state[0];
+
+ for (i = 0; i < num_of_threads; i++, ti++) {
+ struct entry *te;
+ char *p;
+ uint64_t now;
+ int secs, time_secs, time_usecs;
+
+ now = mach_absolute_time();
+
+ while (ti->thread == 0 && ti < &th_state[MAX_THREADS])
+ ti++;
+ if (ti == &th_state[MAX_THREADS])
+ break;
+
+ if (ti->depth) {
+ te = &ti->th_entry[ti->depth - 1];
+
+ if (te->sc_state == WAITING) {
+ if (te->code)
+ sprintf(tbuf, "%-23.23s", sc_tab[te->code].name);
+ else
+ sprintf(tbuf, "%-23.23s", "vm_fault");
+ } else
+ sprintf(tbuf, "%-23.23s", state_name[te->sc_state]);
+ } else {
+ te = &ti->th_entry[0];
+ sprintf(tbuf, "%-23.23s", state_name[te->sc_state]);
+ }
+ clen = strlen(tbuf);
+
+ /* print the tail end of the pathname */
+ p = (char *)ti->pathname;
+
+ plen = strlen(p);
+ if (plen > 26)
+ plen -= 26;
+ else
+ plen = 0;
+ sprintf(&tbuf[clen], " %-26.26s ", &p[plen]);
+
+ clen += strlen(&tbuf[clen]);
+
+ time_usecs = (((double)now - te->otime) / divisor);
+ secs = time_usecs / 1000000;
+ time_usecs -= secs * 1000000;
+ time_secs = secs;
+
+ print_time(&tbuf[clen], time_usecs, time_secs);
+ clen += strlen(&tbuf[clen]);
+ sprintf(&tbuf[clen], " %2d %3d\n", i, ti->curpri);
+ if (no_screen_refresh)
+ printf("%s", tbuf);
+ else
+ printw(tbuf);
+ }
+ if (no_screen_refresh == 0) {
+ move(0, 0);
+ refresh();
+ } else
+ printf("\n=================\n");
+
+
+
+ for (i = 0; i < (MAX_SC + msgcode_cnt); i++) {
+ if ((n = sort_by_count[i]) == -1)
+ break;
+ sc_tab[n].delta_count = 0;
+ sc_tab[n].waiting = 0;
+ sc_tab[n].delta_wtime_usecs = 0;
+ sc_tab[n].delta_wtime_secs = 0;
+ }
+ for (i = 1; i < MAX_FAULTS; i++) {
+ faults[i].delta_count = 0;
+ faults[i].waiting = 0;
+ faults[i].delta_wtime_usecs = 0;
+ faults[i].delta_wtime_secs = 0;
+ }
+ preempted = 0;
+ csw = 0;
+ total_faults = 0;
+ scalls = 0;
+ delta_itime_secs = 0;
+ delta_itime_usecs = 0;
+ delta_otime_secs = 0;
+ delta_otime_usecs = 0;
+}
+
+static void
+reset_counters(void)
+{
+ int i;
+
+ for (i = 0; i < (MAX_SC + msgcode_cnt) ; i++) {
+ sc_tab[i].delta_count = 0;
+ sc_tab[i].total_count = 0;
+ sc_tab[i].waiting = 0;
+ sc_tab[i].delta_wtime_usecs = 0;
+ sc_tab[i].delta_wtime_secs = 0;
+ sc_tab[i].wtime_usecs = 0;
+ sc_tab[i].wtime_secs = 0;
+ sc_tab[i].stime_usecs = 0;
+ sc_tab[i].stime_secs = 0;
+ }
+ for (i = 1; i < MAX_FAULTS; i++) {
+ faults[i].delta_count = 0;
+ faults[i].total_count = 0;
+ faults[i].waiting = 0;
+ faults[i].delta_wtime_usecs = 0;
+ faults[i].delta_wtime_secs = 0;
+ faults[i].wtime_usecs = 0;
+ faults[i].wtime_secs = 0;
+ faults[i].stime_usecs = 0;
+ faults[i].stime_secs = 0;
+ }
+ preempted = 0;
+ csw = 0;
+ total_faults = 0;
+ scalls = 0;
+ called = 0;
+
+ utime_secs = 0;
+ utime_usecs = 0;
+ itime_secs = 0;
+ itime_usecs = 0;
+ delta_itime_secs = 0;
+ delta_itime_usecs = 0;
+ otime_secs = 0;
+ otime_usecs = 0;
+ delta_otime_secs = 0;
+ delta_otime_usecs = 0;
+}
+
+static void
+sc_tab_init(char *codefile)
+{
+ int code;
+ int n;
+ int msgcode_indx=0;
+ char name[56];
+ FILE *fp;
+
+ if ((fp = fopen(codefile,"r")) == (FILE *)0) {
+ printf("Failed to open code description file %s\n", codefile);
+ exit(1);
+ }
+
+ /* Count Mach message MSG_ codes */
+ for (msgcode_cnt=0;;) {
+ n = fscanf(fp, "%x%55s\n", &code, &name[0]);
+ if (n != 2)
+ break;
+ if (strncmp ("MSG_", &name[0], 4) == 0)
+ msgcode_cnt++;
+ if (strcmp("TRACE_LAST_WRAPPER", &name[0]) == 0)
+ break;
+ }
+
+ sc_tab = (struct sc_entry *)malloc((MAX_SC+msgcode_cnt) * sizeof (struct sc_entry));
+ if(!sc_tab)
+ quit("can't allocate memory for system call table\n");
+ bzero(sc_tab,(MAX_SC+msgcode_cnt) * sizeof (struct sc_entry));
+
+ msgcode_tab = (int *)malloc(msgcode_cnt * sizeof(int));
+ if (!msgcode_tab)
+ quit("can't allocate memory for msgcode table\n");
+ bzero(msgcode_tab,(msgcode_cnt * sizeof(int)));
+
+ sort_by_count = (int *)malloc((MAX_SC + msgcode_cnt + 1) * sizeof(int));
+ if (!sort_by_count)
+ quit("can't allocate memory for sort_by_count table\n");
+ bzero(sort_by_count,(MAX_SC + msgcode_cnt + 1) * sizeof(int));
+
+ sort_by_wtime = (int *)malloc((MAX_SC + msgcode_cnt + 1) * sizeof(int));
+ if (!sort_by_wtime)
+ quit("can't allocate memory for sort_by_wtime table\n");
+ bzero(sort_by_wtime, (MAX_SC + msgcode_cnt + 1) * sizeof(int));
+
+
+ rewind(fp);
+
+ for (;;) {
+ n = fscanf(fp, "%x%55s\n", &code, &name[0]);
+
+ if (n != 2)
+ break;
+
+ if (strcmp("MACH_vmfault", &name[0]) == 0) {
+ mach_vmfault = code;
+ continue;
+ }
+ if (strcmp("MACH_SCHED", &name[0]) == 0) {
+ mach_sched = code;
+ continue;
+ }
+ if (strcmp("MACH_STKHANDOFF", &name[0]) == 0) {
+ mach_stkhandoff = code;
+ continue;
+ }
+ if (strcmp("MACH_IDLE", &name[0]) == 0) {
+ mach_idle = code;
+ continue;
+ }
+ if (strcmp("VFS_LOOKUP", &name[0]) == 0) {
+ vfs_lookup = code;
+ continue;
+ }
+ if (strcmp("BSC_SysCall", &name[0]) == 0) {
+ bsc_base = code;
+ continue;
+ }
+ if (strcmp("MACH_SysCall", &name[0]) == 0) {
+ msc_base = code;
+ continue;
+ }
+ if (strcmp("BSC_exit", &name[0]) == 0) {
+ bsc_exit = code;
+ continue;
+ }
+ if (strncmp("MSG_", &name[0], 4) == 0) {
+ msgcode_tab[msgcode_indx] = ((code & 0x00ffffff) >>2);
+ n = MAX_SC + msgcode_indx;
+ strncpy(&sc_tab[n].name[0], &name[4], 31 );
+ msgcode_indx++;
+ continue;
+ }
+ if (strncmp("MSC_", &name[0], 4) == 0) {
+ n = 512 + ((code>>2) & 0x1ff);
+ strcpy(&sc_tab[n].name[0], &name[4]);
+ continue;
+ }
+ if (strncmp("BSC_", &name[0], 4) == 0) {
+ n = (code>>2) & 0x1ff;
+ strcpy(&sc_tab[n].name[0], &name[4]);
+ continue;
+ }
+ if (strcmp("TRACE_LAST_WRAPPER", &name[0]) == 0)
+ break;
+ }
+ strcpy(&faults[1].name[0], "zero_fill");
+ strcpy(&faults[2].name[0], "pagein");
+ strcpy(&faults[3].name[0], "copy_on_write");
+ strcpy(&faults[4].name[0], "cache_hit");
+}
+
+static void
+find_proc_names(void)
+{
+ size_t bufSize = 0;
+ struct kinfo_proc *kp;
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_PROC;
+ mib[2] = KERN_PROC_ALL;
+ mib[3] = 0;
+
+ if (sysctl(mib, 4, NULL, &bufSize, NULL, 0) < 0)
+ quit("trace facility failure, KERN_PROC_ALL\n");
+
+ if((kp = (struct kinfo_proc *)malloc(bufSize)) == (struct kinfo_proc *)0)
+ quit("can't allocate memory for proc buffer\n");
+
+ if (sysctl(mib, 4, kp, &bufSize, NULL, 0) < 0)
+ quit("trace facility failure, KERN_PROC_ALL\n");
+
+ kp_nentries = bufSize/ sizeof(struct kinfo_proc);
+ kp_buffer = kp;
+}
+
+static struct th_info *
+find_thread(uint64_t thread)
+{
+ struct th_info *ti;
+
+ for (ti = th_state; ti < &th_state[MAX_THREADS]; ti++) {
+ if (ti->thread == thread)
+ return(ti);
+ }
+ return ((struct th_info *)0);
+}
+
+static int
+cmp_wtime(struct sc_entry *s1, struct sc_entry *s2)
+{
+ if (s1->wtime_secs < s2->wtime_secs)
+ return 0;
+ if (s1->wtime_secs > s2->wtime_secs)
+ return 1;
+ if (s1->wtime_usecs <= s2->wtime_usecs)
+ return 0;
+ return 1;
+}
+
+static void
+sort_scalls(void)
+{
+ int i, n, k, cnt, secs;
+ struct th_info *ti;
+ struct sc_entry *se;
+ struct entry *te;
+ uint64_t now;
+
+ now = mach_absolute_time();
+
+ for (ti = th_state; ti < &th_state[MAX_THREADS]; ti++) {
+ if (ti->thread == 0)
+ continue;
+
+ if (ti->depth) {
+ te = &ti->th_entry[ti->depth-1];
+
+ if (te->sc_state == WAITING) {
+ if (te->code)
+ se = &sc_tab[te->code];
+ else
+ se = &faults[DBG_PAGEIN_FAULT];
+ se->waiting++;
+ se->wtime_usecs += ((double)now - te->stime) / divisor;
+ se->delta_wtime_usecs += ((double)now - te->stime) / divisor;
+ te->stime = (double)now;
+
+ secs = se->wtime_usecs / 1000000;
+ se->wtime_usecs -= secs * 1000000;
+ se->wtime_secs += secs;
+
+ secs = se->delta_wtime_usecs / 1000000;
+ se->delta_wtime_usecs -= secs * 1000000;
+ se->delta_wtime_secs += secs;
+ }
+ } else {
+ te = &ti->th_entry[0];
+
+ if (te->sc_state == PREEMPTED) {
+ if ((unsigned long)(((double)now - te->otime) / divisor) > 5000000) {
+ ti->thread = 0;
+ ti->vfslookup = 0;
+ ti->pathptr = (int64_t *)NULL;
+ ti->pathname[0] = 0;
+ num_of_threads--;
+ }
+ }
+ }
+ }
+ if ((called % sort_now) == 0) {
+ sort_by_count[0] = -1;
+ sort_by_wtime[0] = -1;
+ for (cnt = 1, n = 1; n < (MAX_SC + msgcode_cnt); n++) {
+ if (sc_tab[n].total_count) {
+ for (i = 0; i < cnt; i++) {
+ if ((k = sort_by_count[i]) == -1 ||
+ sc_tab[n].total_count > sc_tab[k].total_count) {
+
+ for (k = cnt - 1; k >= i; k--)
+ sort_by_count[k+1] = sort_by_count[k];
+ sort_by_count[i] = n;
+ break;
+ }
+ }
+ if (how_to_sort == 0) {
+ for (i = 0; i < cnt; i++) {
+ if ((k = sort_by_wtime[i]) == -1 ||
+ cmp_wtime(&sc_tab[n], &sc_tab[k])) {
+
+ for (k = cnt - 1; k >= i; k--)
+ sort_by_wtime[k+1] = sort_by_wtime[k];
+ sort_by_wtime[i] = n;
+ break;
+ }
+ }
+ }
+ cnt++;
+ }
+ }
+ }
+ called++;
+}
+
+static void
+set_enable(int val)
+{
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_KDEBUG;
+ mib[2] = KERN_KDENABLE; /* protocol */
+ mib[3] = val;
+ mib[4] = 0;
+ mib[5] = 0; /* no flags */
+ if (sysctl(mib, 4, NULL, &needed, NULL, 0) < 0)
+ quit("trace facility failure, KERN_KDENABLE\n");
+
+ if (val)
+ trace_enabled = 1;
+ else
+ trace_enabled = 0;
+}
+
+static void
+set_numbufs(int nbufs)
+{
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_KDEBUG;
+ mib[2] = KERN_KDSETBUF;
+ mib[3] = nbufs;
+ mib[4] = 0;
+ mib[5] = 0; /* no flags */
+ if (sysctl(mib, 4, NULL, &needed, NULL, 0) < 0)
+ quit("trace facility failure, KERN_KDSETBUF\n");
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_KDEBUG;
+ mib[2] = KERN_KDSETUP;
+ mib[3] = 0;
+ mib[4] = 0;
+ mib[5] = 0; /* no flags */
+ if (sysctl(mib, 3, NULL, &needed, NULL, 0) < 0)
+ quit("trace facility failure, KERN_KDSETUP\n");
+
+}
+
+static void
+set_pidcheck(int pid, int on_off)
+{
+ kd_regtype kr;
+
+ kr.type = KDBG_TYPENONE;
+ kr.value1 = pid;
+ kr.value2 = on_off;
+ needed = sizeof(kd_regtype);
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_KDEBUG;
+ mib[2] = KERN_KDPIDTR;
+ mib[3] = 0;
+ mib[4] = 0;
+ mib[5] = 0;
+ if (sysctl(mib, 3, &kr, &needed, NULL, 0) < 0) {
+ if (on_off == 1) {
+ printf("pid %d does not exist\n", pid);
+ set_remove();
+ exit(2);
+ }
+ }
+}
+
+void
+get_bufinfo(kbufinfo_t *val)
+{
+ needed = sizeof (*val);
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_KDEBUG;
+ mib[2] = KERN_KDGETBUF;
+ mib[3] = 0;
+ mib[4] = 0;
+ mib[5] = 0; /* no flags */
+ if (sysctl(mib, 3, val, &needed, 0, 0) < 0)
+ quit("trace facility failure, KERN_KDGETBUF\n");
+
+}
+
+static void
+set_remove(void)
+{
+ extern int errno;
+
+ errno = 0;
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_KDEBUG;
+ mib[2] = KERN_KDREMOVE; /* protocol */
+ mib[3] = 0;
+ mib[4] = 0;
+ mib[5] = 0; /* no flags */
+
+ if (sysctl(mib, 3, NULL, &needed, NULL, 0) < 0)
+ {
+ set_remove_flag = 0;
+
+ if (errno == EBUSY)
+ quit("The trace facility is currently in use...\n Note: fs_usage, sc_usage, and latency use this feature.\n\n");
+ else
+ quit("trace facility failure, KERN_KDREMOVE\n");
+ }
+}
+
+static void
+set_init(void)
+{
+ kd_regtype kr;
+
+ kr.type = KDBG_RANGETYPE;
+ kr.value1 = 0;
+ kr.value2 = -1;
+ needed = sizeof(kd_regtype);
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_KDEBUG;
+ mib[2] = KERN_KDSETREG;
+ mib[3] = 0;
+ mib[4] = 0;
+ mib[5] = 0; /* no flags */
+ if (sysctl(mib, 3, &kr, &needed, NULL, 0) < 0)
+ quit("trace facility failure, KERN_KDSETREG\n");
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_KDEBUG;
+ mib[2] = KERN_KDSETUP;
+ mib[3] = 0;
+ mib[4] = 0;
+ mib[5] = 0; /* no flags */
+ if (sysctl(mib, 3, NULL, &needed, NULL, 0) < 0)
+ quit("trace facility failure, KERN_KDSETUP\n");
+}
+
+static void
+sample_sc(void)
+{
+ kd_buf *kd;
+ int i;
+ size_t count;
+ int secs;
+
+#ifdef OLD_KDEBUG
+ set_enable(0);
+#endif
+ get_bufinfo(&bufinfo);
+
+ needed = bufinfo.nkdbufs * sizeof(kd_buf);
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_KDEBUG;
+ mib[2] = KERN_KDREADTR;
+ mib[3] = 0;
+ mib[4] = 0;
+ mib[5] = 0;
+
+ if (sysctl(mib, 3, my_buffer, &needed, NULL, 0) < 0)
+ quit("trace facility failure, KERN_KDREADTR\n");
+
+ count = needed;
+
+ if (bufinfo.flags & KDBG_WRAPPED) {
+ for (i = 0; i < MAX_THREADS; i++) {
+ th_state[i].depth = 0;
+ th_state[i].thread = 0;
+ th_state[i].vfslookup = 0;
+ th_state[i].pathptr = (int64_t *)NULL;
+ th_state[i].pathname[0] = 0;
+ }
+ num_of_threads = 0;
+ }
+
+#ifdef OLD_KDEBUG
+ set_remove();
+ set_init();
+ set_pidcheck(pid, 1);
+ set_enable(1); /* re-enable kernel logging */
+#endif
+ kd = (kd_buf *)my_buffer;
+
+ for (i = 0; i < count; i++) {
+ int debugid, baseid;
+ uint64_t thread;
+ int type, code;
+ uint64_t now;
+ struct th_info *ti, *switched_out, *switched_in;
+ struct sc_entry *se;
+ struct entry *te;
+
+ thread = kd[i].arg5;
+ debugid = kd[i].debugid;
+ type = kd[i].debugid & DBG_FUNC_MASK;
+
+ code = 0;
+ switched_out = (struct th_info *)0;
+ switched_in = (struct th_info *)0;
+
+ now = kd[i].timestamp & KDBG_TIMESTAMP_MASK;
+
+ baseid = debugid & 0xffff0000;
+
+ if (type == vfs_lookup) {
+ int64_t *sargptr;
+
+ if ((ti = find_thread(thread)) == (struct th_info *)0)
+ continue;
+
+ if (ti->vfslookup == 1) {
+ ti->vfslookup++;
+ sargptr = ti->pathname;
+
+ *sargptr++ = kd[i].arg2;
+ *sargptr++ = kd[i].arg3;
+ *sargptr++ = kd[i].arg4;
+ /*
+ * NULL terminate the 'string'
+ */
+ *sargptr = 0;
+
+ ti->pathptr = sargptr;
+
+ } else if (ti->vfslookup > 1) {
+ ti->vfslookup++;
+ sargptr = ti->pathptr;
+
+ /*
+ We don't want to overrun our pathname buffer if the
+ kernel sends us more VFS_LOOKUP entries than we can
+ handle.
+ */
+
+ if (sargptr >= &ti->pathname[NUMPARMS])
+ continue;
+
+ /*
+ We need to detect consecutive vfslookup entries.
+ So, if we get here and find a START entry,
+ fake the pathptr so we can bypass all further
+ vfslookup entries.
+ */
+
+ if (debugid & DBG_FUNC_START)
+ {
+ ti->pathptr = &ti->pathname[NUMPARMS];
+ continue;
+ }
+
+ *sargptr++ = kd[i].arg1;
+ *sargptr++ = kd[i].arg2;
+ *sargptr++ = kd[i].arg3;
+ *sargptr++ = kd[i].arg4;
+ /*
+ * NULL terminate the 'string'
+ */
+ *sargptr = 0;
+
+ ti->pathptr = sargptr;
+ }
+ continue;
+
+ } else if (baseid == bsc_base)
+ code = (debugid >> 2) & 0x1ff;
+ else if (baseid == msc_base)
+ code = 512 + ((debugid >> 2) & 0x1ff);
+ else if (type == mach_idle) {
+ if (debugid & DBG_FUNC_START) {
+ switched_out = find_thread(kd[i].arg5);
+ switched_in = 0;
+ }
+ else
+ if (debugid & DBG_FUNC_END) {
+ switched_in = find_thread(kd[i].arg5);
+ switched_out = 0;
+ }
+
+ if (in_idle) {
+ itime_usecs += ((double)now - idle_start) / divisor;
+ delta_itime_usecs += ((double)now - idle_start) / divisor;
+ in_idle = 0;
+ } else if (in_other) {
+ otime_usecs += ((double)now - other_start) / divisor;
+ delta_otime_usecs += ((double)now - other_start) / divisor;
+ in_other = 0;
+ }
+ if ( !switched_in) {
+ /*
+ * not one of the target proc's threads
+ */
+ if (now_collect_cpu_time) {
+ in_idle = 1;
+ idle_start = (double)now;
+ }
+ }
+ else {
+ if (now_collect_cpu_time) {
+ in_idle = 0;
+ in_other = 1;
+ other_start = (double)now;
+ }
+ }
+ if ( !switched_in && !switched_out)
+ continue;
+
+ }
+ else if (type == mach_sched || type == mach_stkhandoff) {
+ switched_out = find_thread(kd[i].arg5);
+ switched_in = find_thread(kd[i].arg2);
+
+ if (in_idle) {
+ itime_usecs += ((double)now - idle_start) / divisor;
+ delta_itime_usecs += ((double)now - idle_start) / divisor;
+ in_idle = 0;
+ } else if (in_other) {
+ otime_usecs += ((double)now - other_start) / divisor;
+ delta_otime_usecs += ((double)now - other_start) / divisor;
+ in_other = 0;
+ }
+ if ( !switched_in) {
+ /*
+ * not one of the target proc's threads
+ */
+ if (now_collect_cpu_time) {
+ in_other = 1;
+ other_start = (double)now;
+ }
+ }
+ if ( !switched_in && !switched_out)
+ continue;
+
+ }
+ else if ((baseid & 0xff000000) == 0xff000000) {
+ code = find_msgcode (debugid);
+ if (!code)
+ continue;
+ } else if (baseid != mach_vmfault)
+ continue;
+
+ if (switched_out || switched_in) {
+ if (switched_out) {
+ ti = switched_out;
+ ti->curpri = (int)kd[i].arg3;
+
+ if (ti->depth) {
+ te = &ti->th_entry[ti->depth-1];
+
+ if (te->sc_state == KERNEL_MODE)
+ te->ctime += (double)now - te->stime;
+ te->sc_state = WAITING;
+
+ ti->vfslookup = 1;
+
+ } else {
+ te = &ti->th_entry[0];
+
+ if (te->sc_state == USER_MODE)
+ utime_usecs += ((double)now - te->stime) / divisor;
+ te->sc_state = PREEMPTED;
+ preempted++;
+ }
+ te->stime = (double)now;
+ te->otime = (double)now;
+ now_collect_cpu_time = 1;
+ csw++;
+ }
+ if (switched_in) {
+ ti = switched_in;
+ ti->curpri = (int)kd[i].arg4;
+
+ if (ti->depth) {
+ te = &ti->th_entry[ti->depth-1];
+
+ if (te->sc_state == WAITING)
+ te->wtime += (double)now - te->stime;
+ te->sc_state = KERNEL_MODE;
+ } else {
+ te = &ti->th_entry[0];
+
+ te->sc_state = USER_MODE;
+ }
+ te->stime = (double)now;
+ te->otime = (double)now;
+ }
+ continue;
+ }
+ if ((ti = find_thread(thread)) == (struct th_info *)0) {
+ for (ti = &th_state[0]; ti < &th_state[MAX_THREADS]; ti++) {
+ if (ti->thread == 0) {
+ ti->thread = thread;
+ num_of_threads++;
+ break;
+ }
+ }
+ if (ti == &th_state[MAX_THREADS])
+ continue;
+ }
+ if (debugid & DBG_FUNC_START) {
+ ti->vfslookup = 0;
+
+ if (ti->depth) {
+ te = &ti->th_entry[ti->depth-1];
+
+ if (te->sc_state == KERNEL_MODE)
+ te->ctime += (double)now - te->stime;
+ } else {
+ te = &ti->th_entry[0];
+
+ if (te->sc_state == USER_MODE)
+ utime_usecs += ((double)now - te->stime) / divisor;
+ }
+ te->stime = (double)now;
+ te->otime = (double)now;
+
+ if (ti->depth < MAX_NESTED) {
+ te = &ti->th_entry[ti->depth];
+
+ te->sc_state = KERNEL_MODE;
+ te->type = type;
+ te->code = code;
+ te->stime = (double)now;
+ te->otime = (double)now;
+ te->ctime = (double)0;
+ te->wtime = (double)0;
+ ti->depth++;
+ }
+
+ } else if (debugid & DBG_FUNC_END) {
+ if (code) {
+ se = &sc_tab[code];
+ scalls++;
+ } else {
+ se = &faults[kd[i].arg4];
+ total_faults++;
+ }
+ if (se->total_count == 0)
+ called = 0;
+ se->delta_count++;
+ se->total_count++;
+
+ while (ti->depth) {
+ te = &ti->th_entry[ti->depth-1];
+
+ if (te->type == type) {
+ se->stime_usecs += te->ctime / divisor;
+ se->stime_usecs += ((double)now - te->stime) / divisor;
+
+ se->wtime_usecs += te->wtime / divisor;
+ se->delta_wtime_usecs += te->wtime / divisor;
+
+ secs = se->stime_usecs / 1000000;
+ se->stime_usecs -= secs * 1000000;
+ se->stime_secs += secs;
+
+ secs = se->wtime_usecs / 1000000;
+ se->wtime_usecs -= secs * 1000000;
+ se->wtime_secs += secs;
+
+ secs = se->delta_wtime_usecs / 1000000;
+ se->delta_wtime_usecs -= secs * 1000000;
+ se->delta_wtime_secs += secs;
+
+ ti->depth--;
+
+ if (ti->depth == 0) {
+ /*
+ * headed back to user mode
+ * start the time accumulation
+ */
+ te = &ti->th_entry[0];
+ te->sc_state = USER_MODE;
+ } else
+ te = &ti->th_entry[ti->depth-1];
+
+ te->stime = (double)now;
+ te->otime = (double)now;
+
+ break;
+ }
+ ti->depth--;
+
+ if (ti->depth == 0) {
+ /*
+ * headed back to user mode
+ * start the time accumulation
+ */
+ te = &ti->th_entry[0];
+ te->sc_state = USER_MODE;
+ te->stime = (double)now;
+ te->otime = (double)now;
+ }
+ }
+ }
+ }
+ secs = utime_usecs / 1000000;
+ utime_usecs -= secs * 1000000;
+ utime_secs += secs;
+
+ secs = itime_usecs / 1000000;
+ itime_usecs -= secs * 1000000;
+ itime_secs += secs;
+
+ secs = delta_itime_usecs / 1000000;
+ delta_itime_usecs -= secs * 1000000;
+ delta_itime_secs += secs;
+
+ secs = otime_usecs / 1000000;
+ otime_usecs -= secs * 1000000;
+ otime_secs += secs;
+
+ secs = delta_otime_usecs / 1000000;
+ delta_otime_usecs -= secs * 1000000;
+ delta_otime_secs += secs;
+}
+
+void
+quit(char *s)
+{
+ if (trace_enabled)
+ set_enable(0);
+
+ /*
+ This flag is turned off when calling
+ quit() due to a set_remove() failure.
+ */
+ if (set_remove_flag)
+ set_remove();
+
+ if (no_screen_refresh == 0) {
+ /* clear for new display */
+ erase();
+ move(0, 0);
+ refresh();
+ endwin();
+ }
+
+ printf("sc_usage: ");
+ if (s)
+ printf("%s", s);
+
+ exit(1);
+}
+
+static void
+getdivisor(void)
+{
+ mach_timebase_info_data_t info;
+
+ (void) mach_timebase_info (&info);
+
+ divisor = ( (double)info.denom / (double)info.numer) * 1000;
+}
+
+int
+argtopid(char *str)
+{
+ char *cp;
+ int ret;
+ int i;
+
+ if (!kp_buffer)
+ find_proc_names();
+
+ ret = (int)strtol(str, &cp, 10);
+ if (cp == str || *cp) {
+ /* Assume this is a command string and find first matching pid */
+ for (i=0; i < kp_nentries; i++) {
+ if (kp_buffer[i].kp_proc.p_stat == 0)
+ continue;
+ else {
+ if (!strcmp(str, kp_buffer[i].kp_proc.p_comm)) {
+ strncpy(proc_name,
+ kp_buffer[i].kp_proc.p_comm,
+ sizeof(proc_name)-1);
+ proc_name[sizeof(proc_name)-1] = '\0';
+ return (kp_buffer[i].kp_proc.p_pid);
+ }
+ }
+ }
+ } else {
+ for (i=0; i < kp_nentries; i++) {
+ if (kp_buffer[i].kp_proc.p_stat == 0)
+ continue;
+ else if (kp_buffer[i].kp_proc.p_pid == ret) {
+ strncpy(proc_name,
+ kp_buffer[i].kp_proc.p_comm,
+ sizeof(proc_name)-1);
+ proc_name[sizeof(proc_name)-1] = '\0';
+ return (kp_buffer[i].kp_proc.p_pid);
+ }
+ }
+ }
+ return (-1);
+}
+
+/* Returns index into sc_tab for a mach msg entry */
+static int
+find_msgcode(int debugid)
+{
+ int indx;
+
+ for (indx=0; indx< msgcode_cnt; indx++) {
+ if (msgcode_tab[indx] == ((debugid & 0x00ffffff) >>2))
+ return (MAX_SC+indx);
+ }
+ return (0);
+}
+
+int
+argtoi(int flag, char *req, char *str, int base)
+{
+ char *cp;
+ int ret;
+
+ ret = (int)strtol(str, &cp, base);
+ if (cp == str || *cp)
+ errx(EINVAL, "-%c flag requires a %s", flag, req);
+ return (ret);
+}
generated by cgit v1.2.3-56-ge451 (git 2.39.0) at 2024-05-18 22:50:47 +0000