diff options
Diffstat (limited to 'tools/perf/builtin-probe.c')
| -rw-r--r-- | tools/perf/builtin-probe.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index ad47bd4c50e..152d6c9b1fa 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -47,7 +47,6 @@ #include "util/probe-event.h" #define MAX_PATH_LEN 256 -#define MAX_PROBES 128 /* Session management structure */ static struct { @@ -128,7 +127,7 @@ static void evaluate_probe_point(struct probe_point *pp) pp->function); } -#ifndef NO_LIBDWARF +#ifndef NO_DWARF_SUPPORT static int open_vmlinux(void) { if (map__load(session.kmaps[MAP__FUNCTION], NULL) < 0) { @@ -156,14 +155,16 @@ static const char * const probe_usage[] = { "perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]", "perf probe [<options>] --del '[GROUP:]EVENT' ...", "perf probe --list", +#ifndef NO_DWARF_SUPPORT "perf probe --line 'LINEDESC'", +#endif NULL }; static const struct option options[] = { OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose (show parsed arguments, etc)"), -#ifndef NO_LIBDWARF +#ifndef NO_DWARF_SUPPORT OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, "file", "vmlinux pathname"), #endif @@ -172,30 +173,32 @@ static const struct option options[] = { OPT_CALLBACK('d', "del", NULL, "[GROUP:]EVENT", "delete a probe event.", opt_del_probe_event), OPT_CALLBACK('a', "add", NULL, -#ifdef NO_LIBDWARF - "[EVENT=]FUNC[+OFFS|%return] [ARG ...]", +#ifdef NO_DWARF_SUPPORT + "[EVENT=]FUNC[+OFF|%return] [ARG ...]", #else - "[EVENT=]FUNC[+OFFS|%return|:RLN][@SRC]|SRC:ALN [ARG ...]", + "[EVENT=]FUNC[@SRC][+OFF|%return|:RL|;PT]|SRC:AL|SRC;PT" + " [ARG ...]", #endif "probe point definition, where\n" "\t\tGROUP:\tGroup name (optional)\n" "\t\tEVENT:\tEvent name\n" "\t\tFUNC:\tFunction name\n" - "\t\tOFFS:\tOffset from function entry (in byte)\n" + "\t\tOFF:\tOffset from function entry (in byte)\n" "\t\t%return:\tPut the probe at function return\n" -#ifdef NO_LIBDWARF +#ifdef NO_DWARF_SUPPORT "\t\tARG:\tProbe argument (only \n" #else "\t\tSRC:\tSource code path\n" - "\t\tRLN:\tRelative line number from function entry.\n" - "\t\tALN:\tAbsolute line number in file.\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", opt_add_probe_event), OPT_BOOLEAN('f', "force", &session.force_add, "forcibly add events" " with existing name"), -#ifndef NO_LIBDWARF +#ifndef NO_DWARF_SUPPORT OPT_CALLBACK('L', "line", NULL, "FUNC[:RLN[+NUM|:RLN2]]|SRC:ALN[+NUM|:ALN2]", "Show source code lines.", opt_show_lines), @@ -223,7 +226,7 @@ static void init_vmlinux(void) int cmd_probe(int argc, const char **argv, const char *prefix __used) { int i, ret; -#ifndef NO_LIBDWARF +#ifndef NO_DWARF_SUPPORT int fd; #endif struct probe_point *pp; @@ -259,7 +262,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) return 0; } -#ifndef NO_LIBDWARF +#ifndef NO_DWARF_SUPPORT if (session.show_lines) { if (session.nr_probe != 0 || session.dellist) { pr_warning(" Error: Don't use --line with" @@ -290,9 +293,9 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) init_vmlinux(); if (session.need_dwarf) -#ifdef NO_LIBDWARF +#ifdef NO_DWARF_SUPPORT die("Debuginfo-analysis is not supported"); -#else /* !NO_LIBDWARF */ +#else /* !NO_DWARF_SUPPORT */ pr_debug("Some probes require debuginfo.\n"); fd = open_vmlinux(); @@ -312,7 +315,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) continue; lseek(fd, SEEK_SET, 0); - ret = find_probepoint(fd, pp); + ret = find_probe_point(fd, pp); if (ret > 0) continue; if (ret == 0) { /* No error but failed to find probe point. */ @@ -333,7 +336,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) close(fd); end_dwarf: -#endif /* !NO_LIBDWARF */ +#endif /* !NO_DWARF_SUPPORT */ /* Synthesize probes without dwarf */ for (i = 0; i < session.nr_probe; i++) { |