/* Session management structure */
static struct {
- bool need_dwarf;
bool list_events;
bool force_add;
bool show_lines;
- int nr_probe;
- struct probe_point probes[MAX_PROBES];
+ int nevents;
+ struct perf_probe_event events[MAX_PROBES];
struct strlist *dellist;
struct line_range line_range;
-} session;
+} params;
/* Parse an event definition. Note that any error must die. */
static void parse_probe_event(const char *str)
{
- struct probe_point *pp = &session.probes[session.nr_probe];
+ struct perf_probe_event *pev = ¶ms.events[params.nevents];
- pr_debug("probe-definition(%d): %s\n", session.nr_probe, str);
- if (++session.nr_probe == MAX_PROBES)
+ pr_debug("probe-definition(%d): %s\n", params.nevents, str);
+ if (++params.nevents == MAX_PROBES)
die("Too many probes (> %d) are specified.", MAX_PROBES);
- /* Parse perf-probe event into probe_point */
- parse_perf_probe_event(str, pp, &session.need_dwarf);
+ /* Parse a perf-probe command into event */
+ parse_perf_probe_command(str, pev);
- pr_debug("%d arguments\n", pp->nr_args);
+ pr_debug("%d arguments\n", pev->nargs);
}
static void parse_probe_event_argv(int argc, const char **argv)
const char *str, int unset __used)
{
if (str) {
- if (!session.dellist)
- session.dellist = strlist__new(true, NULL);
- strlist__add(session.dellist, str);
+ if (!params.dellist)
+ params.dellist = strlist__new(true, NULL);
+ strlist__add(params.dellist, str);
}
return 0;
}
-#ifndef NO_DWARF_SUPPORT
+#ifdef DWARF_SUPPORT
static int opt_show_lines(const struct option *opt __used,
const char *str, int unset __used)
{
if (str)
- parse_line_range_desc(str, &session.line_range);
- INIT_LIST_HEAD(&session.line_range.line_list);
- session.show_lines = true;
+ parse_line_range_desc(str, ¶ms.line_range);
+ INIT_LIST_HEAD(¶ms.line_range.line_list);
+ params.show_lines = true;
return 0;
}
#endif
"perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]",
"perf probe [<options>] --del '[GROUP:]EVENT' ...",
"perf probe --list",
-#ifndef NO_DWARF_SUPPORT
+#ifdef DWARF_SUPPORT
"perf probe --line 'LINEDESC'",
#endif
NULL
};
static const struct option options[] = {
- OPT_BOOLEAN('v', "verbose", &verbose,
+ OPT_INCR('v', "verbose", &verbose,
"be more verbose (show parsed arguments, etc)"),
-#ifndef NO_DWARF_SUPPORT
- OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
- "file", "vmlinux pathname"),
-#endif
- OPT_BOOLEAN('l', "list", &session.list_events,
+ OPT_BOOLEAN('l', "list", ¶ms.list_events,
"list up current probe events"),
OPT_CALLBACK('d', "del", NULL, "[GROUP:]EVENT", "delete a probe event.",
opt_del_probe_event),
OPT_CALLBACK('a', "add", NULL,
-#ifdef NO_DWARF_SUPPORT
- "[EVENT=]FUNC[+OFF|%return] [ARG ...]",
-#else
+#ifdef DWARF_SUPPORT
"[EVENT=]FUNC[@SRC][+OFF|%return|:RL|;PT]|SRC:AL|SRC;PT"
" [ARG ...]",
+#else
+ "[EVENT=]FUNC[+OFF|%return] [ARG ...]",
#endif
"probe point definition, where\n"
"\t\tGROUP:\tGroup name (optional)\n"
"\t\tFUNC:\tFunction name\n"
"\t\tOFF:\tOffset from function entry (in byte)\n"
"\t\t%return:\tPut the probe at function return\n"
-#ifdef NO_DWARF_SUPPORT
- "\t\tARG:\tProbe argument (only \n"
-#else
+#ifdef DWARF_SUPPORT
"\t\tSRC:\tSource code path\n"
"\t\tRL:\tRelative line number from function entry.\n"
"\t\tAL:\tAbsolute line number in file.\n"
"\t\tPT:\tLazy expression of line code.\n"
"\t\tARG:\tProbe argument (local variable name or\n"
-#endif
"\t\t\tkprobe-tracer argument format.)\n",
+#else
+ "\t\tARG:\tProbe argument (kprobe-tracer argument format.)\n",
+#endif
opt_add_probe_event),
- OPT_BOOLEAN('f', "force", &session.force_add, "forcibly add events"
+ OPT_BOOLEAN('f', "force", ¶ms.force_add, "forcibly add events"
" with existing name"),
-#ifndef NO_DWARF_SUPPORT
+#ifdef DWARF_SUPPORT
OPT_CALLBACK('L', "line", NULL,
- "FUNC[:RLN[+NUM|:RLN2]]|SRC:ALN[+NUM|:ALN2]",
+ "FUNC[:RLN[+NUM|-RLN2]]|SRC:ALN[+NUM|-ALN2]",
"Show source code lines.", opt_show_lines),
+ OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
#endif
+ OPT__DRY_RUN(&probe_event_dry_run),
OPT_END()
};
parse_probe_event_argv(argc, argv);
}
- if ((!session.nr_probe && !session.dellist && !session.list_events &&
- !session.show_lines))
+ if ((!params.nevents && !params.dellist && !params.list_events &&
+ !params.show_lines))
usage_with_options(probe_usage, options);
if (debugfs_valid_mountpoint(debugfs_path) < 0)
die("Failed to find debugfs path.");
- if (session.list_events) {
- if (session.nr_probe != 0 || session.dellist) {
+ if (params.list_events) {
+ if (params.nevents != 0 || params.dellist) {
pr_warning(" Error: Don't use --list with"
" --add/--del.\n");
usage_with_options(probe_usage, options);
}
- if (session.show_lines) {
+ if (params.show_lines) {
pr_warning(" Error: Don't use --list with --line.\n");
usage_with_options(probe_usage, options);
}
return 0;
}
-#ifndef NO_DWARF_SUPPORT
- if (session.show_lines) {
- if (session.nr_probe != 0 || session.dellist) {
+#ifdef DWARF_SUPPORT
+ if (params.show_lines) {
+ if (params.nevents != 0 || params.dellist) {
pr_warning(" Error: Don't use --line with"
" --add/--del.\n");
usage_with_options(probe_usage, options);
}
- show_line_range(&session.line_range);
+ show_line_range(¶ms.line_range);
return 0;
}
#endif
- if (session.dellist) {
- del_trace_kprobe_events(session.dellist);
- strlist__delete(session.dellist);
- if (session.nr_probe == 0)
+ if (params.dellist) {
+ del_perf_probe_events(params.dellist);
+ strlist__delete(params.dellist);
+ if (params.nevents == 0)
return 0;
}
- add_trace_kprobe_events(session.probes, session.nr_probe,
- session.force_add, session.need_dwarf);
+ add_perf_probe_events(params.events, params.nevents, params.force_add);
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff