diff options
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/debug.c | 10 | ||||
| -rw-r--r-- | tools/perf/util/debug.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/event.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/setup.py | 7 | ||||
| -rw-r--r-- | tools/perf/util/symbol.c | 5 |
5 files changed, 23 insertions, 2 deletions
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index d4536a9e0d8c..155749d74350 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -57,6 +57,16 @@ void ui__warning(const char *format, ...) } #endif +void ui__warning_paranoid(void) +{ + ui__warning("Permission error - are you root?\n" + "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n" + " -1 - Not paranoid at all\n" + " 0 - Disallow raw tracepoint access for unpriv\n" + " 1 - Disallow cpu events for unpriv\n" + " 2 - Disallow kernel profiling for unpriv\n"); +} + void trace_event(union perf_event *event) { unsigned char *raw_event = (void *)event; diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index 93516cf4682c..fd53db47e3de 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -36,5 +36,6 @@ int ui_helpline__show_help(const char *format, va_list ap); #endif void ui__warning(const char *format, ...) __attribute__((format(printf, 1, 2))); +void ui__warning_paranoid(void); #endif /* __PERF_DEBUG_H */ diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 2b15c362ef56..1023f67633a4 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -710,7 +710,7 @@ try_again: * in the whole kernel symbol list. */ if ((long long)al->addr < 0 && - cpumode == PERF_RECORD_MISC_KERNEL && + cpumode == PERF_RECORD_MISC_USER && machine && mg != &machine->kmaps) { mg = &machine->kmaps; goto try_again; diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index e24ffadb20b2..bbc982f5dd8b 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -1,13 +1,18 @@ #!/usr/bin/python2 from distutils.core import setup, Extension +from os import getenv + +cflags = ['-fno-strict-aliasing', '-Wno-write-strings'] +cflags += getenv('CFLAGS', '').split() perf = Extension('perf', sources = ['util/python.c', 'util/ctype.c', 'util/evlist.c', 'util/evsel.c', 'util/cpumap.c', 'util/thread_map.c', 'util/util.c', 'util/xyarray.c', 'util/cgroup.c'], include_dirs = ['util/include'], - extra_compile_args = ['-fno-strict-aliasing', '-Wno-write-strings']) + extra_compile_args = cflags, + ) setup(name='perf', version='0.1', diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 17df793c8924..f06c10f092ba 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1196,6 +1196,8 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, if (curr_dso == NULL) goto out_elf_end; curr_dso->kernel = self->kernel; + curr_dso->long_name = self->long_name; + curr_dso->long_name_len = self->long_name_len; curr_map = map__new2(start, curr_dso, map->type); if (curr_map == NULL) { @@ -1842,6 +1844,7 @@ int dso__load_vmlinux(struct dso *self, struct map *map, if (fd < 0) return -1; + dso__set_long_name(self, (char *)vmlinux); dso__set_loaded(self, map->type); err = dso__load_sym(self, map, symfs_vmlinux, fd, filter, 0, 0); close(fd); @@ -2403,6 +2406,8 @@ int symbol__init(void) if (symbol_conf.initialized) return 0; + symbol_conf.priv_size = ALIGN(symbol_conf.priv_size, sizeof(u64)); + elf_version(EV_CURRENT); if (symbol_conf.sort_by_name) symbol_conf.priv_size += (sizeof(struct symbol_name_rb_node) - |
