ACLOCAL_AMFLAGS = -I m4
-SUBDIRS = libust tests libmallocwrap ustd ust libinterfork
+SUBDIRS = libust tests libmallocwrap ustd ustctl libinterfork
EXTRA_DIST = share/kernelcompat.h doc
bin_SCRIPTS = usttrace
The actual userspace tracing library that must be linked to the
instrumented programs.
-- ust
+- ustctl
A program to control the tracing of userspace applications. It can list
markers, start the tracing, stop the tracing, enable/disable markers, etc.
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([0.0 foreign dist-bzip2 no-dist-gzip])
-AC_CONFIG_SRCDIR([ust/ust.c])
+AC_CONFIG_SRCDIR([ustctl/ustctl.c])
AC_CONFIG_HEADERS([config.h])
# Checks for programs.
libmallocwrap/Makefile
libinterfork/Makefile
ustd/Makefile
- ust/Makefile
+ ustctl/Makefile
java/Makefile
])
AC_OUTPUT
+++ /dev/null
-bin_PROGRAMS = ust
-ust_SOURCES = ust.c $(top_builddir)/libustcomm/ustcomm.c $(top_builddir)/libustcomm/ustcomm.h $(top_builddir)/libustcmd/ustcmd.c $(top_builddir)/libustcmd/ustcmd.h $(top_builddir)/share/usterr.h
-ust_CFLAGS = -DUST_COMPONENT=ust
-
-INCLUDES = $(KCOMPAT_CFLAGS)
-INCLUDES += -I$(top_builddir)/libustcomm
-INCLUDES += -I$(top_builddir)/libustcmd
-INCLUDES += -I$(top_builddir)/share
+++ /dev/null
-ust is a helper application used to control tracing on programs that support tracing.
-
-It can list markers, enable/disable markers, start tracing and stop tracing.
+++ /dev/null
-/* Copyright (C) 2009 Pierre-Marc Fournier
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#define _GNU_SOURCE
-#include <stdio.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <stdlib.h>
-#include <fcntl.h>
-
-#include "ustcomm.h"
-#include "ustcmd.h"
-#include "usterr.h"
-
-enum command {
- START_TRACE,
- STOP_TRACE,
- START,
- DESTROY,
- LIST_MARKERS,
- ENABLE_MARKER,
- DISABLE_MARKER,
- GET_ONLINE_PIDS,
- UNKNOWN
-};
-
-struct ust_opts {
- enum command cmd;
- pid_t *pids;
- char *regex;
-};
-
-char *progname = NULL;
-
-void usage(void)
-{
- fprintf(stderr, "usage: %s COMMAND PIDs...\n", progname);
- fprintf(stderr, "\nControl the tracing of a process that supports LTTng Userspace Tracing.\n\
-\n\
-Commands:\n\
- --start-trace\t\t\tStart tracing\n\
- --stop-trace\t\t\tStop tracing\n\
- --destroy-trace\t\t\tDestroy the trace\n\
- --enable-marker \"CHANNEL/MARKER\"\tEnable a marker\n\
- --disable-marker \"CHANNEL/MARKER\"\tDisable a marker\n\
- --list-markers\t\t\tList the markers of the process, their\n\t\t\t\t\t state and format string\n\
-\
-");
-}
-
-int parse_opts_long(int argc, char **argv, struct ust_opts *opts)
-{
- int c;
-
- opts->pids = NULL;
- opts->regex = NULL;
-
- while (1) {
- int option_index = 0;
- static struct option long_options[] = {
- {"start-trace", 0, 0, 1000},
- {"stop-trace", 0, 0, 1001},
- {"destroy-trace", 0, 0, 1002},
- {"list-markers", 0, 0, 1004},
- {"print-markers", 0, 0, 1005},
- {"pid", 1, 0, 1006},
- {"enable-marker", 1, 0, 1007},
- {"disable-marker", 1, 0, 1008},
- {"start", 0, 0, 1009},
- {"help", 0, 0, 'h'},
- {"version", 0, 0, 1010},
- {"online-pids", 0, 0, 1011},
- {0, 0, 0, 0}
- };
-
- c = getopt_long(argc, argv, "h", long_options, &option_index);
- if (c == -1)
- break;
-
- switch (c) {
- case 0:
- printf("option %s", long_options[option_index].name);
- if (optarg)
- printf(" with arg %s", optarg);
- printf("\n");
- break;
-
- case 1000:
- opts->cmd = START_TRACE;
- break;
- case 1001:
- opts->cmd = STOP_TRACE;
- break;
- case 1009:
- opts->cmd = START;
- break;
- case 1002:
- opts->cmd = DESTROY;
- break;
- case 1004:
- opts->cmd = LIST_MARKERS;
- break;
- case 1007:
- opts->cmd = ENABLE_MARKER;
- opts->regex = strdup(optarg);
- break;
- case 1008:
- opts->cmd = DISABLE_MARKER;
- opts->regex = strdup(optarg);
- break;
- case 1011:
- opts->cmd = GET_ONLINE_PIDS;
- break;
- case 'h':
- usage();
- exit(0);
- case 1010:
- printf("Version 0.1\n");
-
- default:
- /* unknown option or other error; error is
- printed by getopt, just return */
- opts->cmd = UNKNOWN;
- return 1;
- }
- }
-
- if (argc - optind > 0 && opts->cmd != GET_ONLINE_PIDS) {
- int i;
- int pididx=0;
- opts->pids = malloc((argc-optind+1) * sizeof(pid_t));
-
- for(i=optind; i<argc; i++) {
- /* don't take any chances, use a long long */
- long long tmp;
- char *endptr;
- tmp = strtoull(argv[i], &endptr, 10);
- if(*endptr != '\0') {
- ERR("The pid \"%s\" is invalid.", argv[i]);
- return 1;
- }
- opts->pids[pididx++] = (pid_t) tmp;
- }
- opts->pids[pididx] = -1;
- }
-
- return 0;
-}
-
-int main(int argc, char *argv[])
-{
- pid_t *pidit;
- int result;
- struct ust_opts opts;
-
- progname = argv[0];
-
- if(argc <= 1) {
- fprintf(stderr, "No operation specified.\n");
- usage();
- exit(EXIT_FAILURE);
- }
-
- result = parse_opts_long(argc, argv, &opts);
- if(result) {
- fprintf(stderr, "\n");
- usage();
- exit(EXIT_FAILURE);
- }
-
- if(opts.pids == NULL && opts.cmd != GET_ONLINE_PIDS) {
- fprintf(stderr, "No pid specified.\n");
- usage();
- exit(EXIT_FAILURE);
- }
- if(opts.cmd == UNKNOWN) {
- fprintf(stderr, "No command specified.\n");
- usage();
- exit(EXIT_FAILURE);
- }
- if (opts.cmd == GET_ONLINE_PIDS) {
- pid_t *pp = ustcmd_get_online_pids();
- unsigned int i = 0;
-
- if (pp) {
- while (pp[i] != 0) {
- printf("%u\n", (unsigned int) pp[i]);
- ++i;
- }
- free(pp);
- }
-
- exit(EXIT_SUCCESS);
- }
-
- pidit = opts.pids;
- struct marker_status *cmsf = NULL;
-
- while(*pidit != -1) {
- switch (opts.cmd) {
- case START_TRACE:
- result = ustcmd_start_trace(*pidit);
- if (result) {
- ERR("error while trying to for trace with PID %u\n", (unsigned int) *pidit);
- break;
- }
- //printf("sucessfully started trace for PID %u\n", (unsigned int) *pidit);
- break;
-
- case STOP_TRACE:
- result = ustcmd_stop_trace(*pidit);
- if (result) {
- ERR("error while trying to stop trace for PID %u\n", (unsigned int) *pidit);
- break;
- }
- //printf("sucessfully stopped trace for PID %u\n", (unsigned int) *pidit);
- break;
-
- case START:
- result = ustcmd_setup_and_start(*pidit);
- if (result) {
- ERR("error while trying to setup/start trace for PID %u\n", (unsigned int) *pidit);
- break;
- }
- //printf("sucessfully setup/started trace for PID %u\n", (unsigned int) *pidit);
- break;
-
- case DESTROY:
- result = ustcmd_destroy_trace(*pidit);
- if (result) {
- ERR("error while trying to destroy trace with PID %u\n", (unsigned int) *pidit);
- break;
- }
- //printf("sucessfully destroyed trace for PID %u\n", (unsigned int) *pidit);
- break;
-
- case LIST_MARKERS:
- cmsf = NULL;
- if (ustcmd_get_cmsf(&cmsf, *pidit)) {
- fprintf(stderr,
- "error while trying to list markers for"
- " PID %u\n", (unsigned int) *pidit);
- break;
- }
- unsigned int i = 0;
- while (cmsf[i].channel != NULL) {
- printf("{PID: %u, channel/marker: %s/%s, "
- "state: %u, fmt: %s}\n",
- (unsigned int) *pidit,
- cmsf[i].channel,
- cmsf[i].marker,
- cmsf[i].state,
- cmsf[i].fs);
- ++i;
- }
- ustcmd_free_cmsf(cmsf);
- break;
-
- case ENABLE_MARKER:
- if(opts.regex)
- ustcmd_set_marker_state(opts.regex, 1, *pidit);
- break;
- case DISABLE_MARKER:
- if(opts.regex)
- ustcmd_set_marker_state(opts.regex, 0, *pidit);
- break;
-
- default:
- ERR("unknown command\n");
- break;
- }
-
- pidit++;
- }
-
- if (opts.pids != NULL) {
- free(opts.pids);
- }
- if (opts.regex != NULL) {
- free(opts.regex);
- }
-
- return 0;
-}
-
--- /dev/null
+bin_PROGRAMS = ustctl
+ustctl_SOURCES = ustctl.c $(top_builddir)/libustcomm/ustcomm.c $(top_builddir)/libustcomm/ustcomm.h $(top_builddir)/libustcmd/ustcmd.c $(top_builddir)/libustcmd/ustcmd.h $(top_builddir)/share/usterr.h
+ustctl_CFLAGS = -DUST_COMPONENT=ust
+
+INCLUDES = $(KCOMPAT_CFLAGS)
+INCLUDES += -I$(top_builddir)/libustcomm
+INCLUDES += -I$(top_builddir)/libustcmd
+INCLUDES += -I$(top_builddir)/share
--- /dev/null
+ustctl is a helper application used to control tracing on programs that support tracing.
+
+It can list markers, enable/disable markers, start tracing and stop tracing.
--- /dev/null
+/* Copyright (C) 2009 Pierre-Marc Fournier
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <fcntl.h>
+
+#include "ustcomm.h"
+#include "ustcmd.h"
+#include "usterr.h"
+
+enum command {
+ START_TRACE,
+ STOP_TRACE,
+ START,
+ DESTROY,
+ LIST_MARKERS,
+ ENABLE_MARKER,
+ DISABLE_MARKER,
+ GET_ONLINE_PIDS,
+ UNKNOWN
+};
+
+struct ust_opts {
+ enum command cmd;
+ pid_t *pids;
+ char *regex;
+};
+
+char *progname = NULL;
+
+void usage(void)
+{
+ fprintf(stderr, "usage: %s COMMAND PIDs...\n", progname);
+ fprintf(stderr, "\nControl the tracing of a process that supports LTTng Userspace Tracing.\n\
+\n\
+Commands:\n\
+ --start-trace\t\t\tStart tracing\n\
+ --stop-trace\t\t\tStop tracing\n\
+ --destroy-trace\t\t\tDestroy the trace\n\
+ --enable-marker \"CHANNEL/MARKER\"\tEnable a marker\n\
+ --disable-marker \"CHANNEL/MARKER\"\tDisable a marker\n\
+ --list-markers\t\t\tList the markers of the process, their\n\t\t\t\t\t state and format string\n\
+\
+");
+}
+
+int parse_opts_long(int argc, char **argv, struct ust_opts *opts)
+{
+ int c;
+
+ opts->pids = NULL;
+ opts->regex = NULL;
+
+ while (1) {
+ int option_index = 0;
+ static struct option long_options[] = {
+ {"start-trace", 0, 0, 1000},
+ {"stop-trace", 0, 0, 1001},
+ {"destroy-trace", 0, 0, 1002},
+ {"list-markers", 0, 0, 1004},
+ {"print-markers", 0, 0, 1005},
+ {"pid", 1, 0, 1006},
+ {"enable-marker", 1, 0, 1007},
+ {"disable-marker", 1, 0, 1008},
+ {"start", 0, 0, 1009},
+ {"help", 0, 0, 'h'},
+ {"version", 0, 0, 1010},
+ {"online-pids", 0, 0, 1011},
+ {0, 0, 0, 0}
+ };
+
+ c = getopt_long(argc, argv, "h", long_options, &option_index);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 0:
+ printf("option %s", long_options[option_index].name);
+ if (optarg)
+ printf(" with arg %s", optarg);
+ printf("\n");
+ break;
+
+ case 1000:
+ opts->cmd = START_TRACE;
+ break;
+ case 1001:
+ opts->cmd = STOP_TRACE;
+ break;
+ case 1009:
+ opts->cmd = START;
+ break;
+ case 1002:
+ opts->cmd = DESTROY;
+ break;
+ case 1004:
+ opts->cmd = LIST_MARKERS;
+ break;
+ case 1007:
+ opts->cmd = ENABLE_MARKER;
+ opts->regex = strdup(optarg);
+ break;
+ case 1008:
+ opts->cmd = DISABLE_MARKER;
+ opts->regex = strdup(optarg);
+ break;
+ case 1011:
+ opts->cmd = GET_ONLINE_PIDS;
+ break;
+ case 'h':
+ usage();
+ exit(0);
+ case 1010:
+ printf("Version 0.1\n");
+
+ default:
+ /* unknown option or other error; error is
+ printed by getopt, just return */
+ opts->cmd = UNKNOWN;
+ return 1;
+ }
+ }
+
+ if (argc - optind > 0 && opts->cmd != GET_ONLINE_PIDS) {
+ int i;
+ int pididx=0;
+ opts->pids = malloc((argc-optind+1) * sizeof(pid_t));
+
+ for(i=optind; i<argc; i++) {
+ /* don't take any chances, use a long long */
+ long long tmp;
+ char *endptr;
+ tmp = strtoull(argv[i], &endptr, 10);
+ if(*endptr != '\0') {
+ ERR("The pid \"%s\" is invalid.", argv[i]);
+ return 1;
+ }
+ opts->pids[pididx++] = (pid_t) tmp;
+ }
+ opts->pids[pididx] = -1;
+ }
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ pid_t *pidit;
+ int result;
+ struct ust_opts opts;
+
+ progname = argv[0];
+
+ if(argc <= 1) {
+ fprintf(stderr, "No operation specified.\n");
+ usage();
+ exit(EXIT_FAILURE);
+ }
+
+ result = parse_opts_long(argc, argv, &opts);
+ if(result) {
+ fprintf(stderr, "\n");
+ usage();
+ exit(EXIT_FAILURE);
+ }
+
+ if(opts.pids == NULL && opts.cmd != GET_ONLINE_PIDS) {
+ fprintf(stderr, "No pid specified.\n");
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ if(opts.cmd == UNKNOWN) {
+ fprintf(stderr, "No command specified.\n");
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ if (opts.cmd == GET_ONLINE_PIDS) {
+ pid_t *pp = ustcmd_get_online_pids();
+ unsigned int i = 0;
+
+ if (pp) {
+ while (pp[i] != 0) {
+ printf("%u\n", (unsigned int) pp[i]);
+ ++i;
+ }
+ free(pp);
+ }
+
+ exit(EXIT_SUCCESS);
+ }
+
+ pidit = opts.pids;
+ struct marker_status *cmsf = NULL;
+
+ while(*pidit != -1) {
+ switch (opts.cmd) {
+ case START_TRACE:
+ result = ustcmd_start_trace(*pidit);
+ if (result) {
+ ERR("error while trying to for trace with PID %u\n", (unsigned int) *pidit);
+ break;
+ }
+ //printf("sucessfully started trace for PID %u\n", (unsigned int) *pidit);
+ break;
+
+ case STOP_TRACE:
+ result = ustcmd_stop_trace(*pidit);
+ if (result) {
+ ERR("error while trying to stop trace for PID %u\n", (unsigned int) *pidit);
+ break;
+ }
+ //printf("sucessfully stopped trace for PID %u\n", (unsigned int) *pidit);
+ break;
+
+ case START:
+ result = ustcmd_setup_and_start(*pidit);
+ if (result) {
+ ERR("error while trying to setup/start trace for PID %u\n", (unsigned int) *pidit);
+ break;
+ }
+ //printf("sucessfully setup/started trace for PID %u\n", (unsigned int) *pidit);
+ break;
+
+ case DESTROY:
+ result = ustcmd_destroy_trace(*pidit);
+ if (result) {
+ ERR("error while trying to destroy trace with PID %u\n", (unsigned int) *pidit);
+ break;
+ }
+ //printf("sucessfully destroyed trace for PID %u\n", (unsigned int) *pidit);
+ break;
+
+ case LIST_MARKERS:
+ cmsf = NULL;
+ if (ustcmd_get_cmsf(&cmsf, *pidit)) {
+ fprintf(stderr,
+ "error while trying to list markers for"
+ " PID %u\n", (unsigned int) *pidit);
+ break;
+ }
+ unsigned int i = 0;
+ while (cmsf[i].channel != NULL) {
+ printf("{PID: %u, channel/marker: %s/%s, "
+ "state: %u, fmt: %s}\n",
+ (unsigned int) *pidit,
+ cmsf[i].channel,
+ cmsf[i].marker,
+ cmsf[i].state,
+ cmsf[i].fs);
+ ++i;
+ }
+ ustcmd_free_cmsf(cmsf);
+ break;
+
+ case ENABLE_MARKER:
+ if(opts.regex)
+ ustcmd_set_marker_state(opts.regex, 1, *pidit);
+ break;
+ case DISABLE_MARKER:
+ if(opts.regex)
+ ustcmd_set_marker_state(opts.regex, 0, *pidit);
+ break;
+
+ default:
+ ERR("unknown command\n");
+ break;
+ }
+
+ pidit++;
+ }
+
+ if (opts.pids != NULL) {
+ free(opts.pids);
+ }
+ if (opts.regex != NULL) {
+ free(opts.regex);
+ }
+
+ return 0;
+}
+
projects / lttng-ust.git / commitdiff
