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-rw-r--r--tools/perf/util/build-id.c1
-rw-r--r--tools/perf/util/cgroup.c2
-rw-r--r--tools/perf/util/debug.c10
-rw-r--r--tools/perf/util/debug.h1
-rw-r--r--tools/perf/util/event.c2
-rw-r--r--tools/perf/util/evlist.c14
-rw-r--r--tools/perf/util/evsel.c27
-rw-r--r--tools/perf/util/evsel.h6
-rw-r--r--tools/perf/util/header.c57
-rw-r--r--tools/perf/util/hist.h1
-rw-r--r--tools/perf/util/probe-event.c19
-rw-r--r--tools/perf/util/probe-finder.c159
-rw-r--r--tools/perf/util/python.c9
-rw-r--r--tools/perf/util/scripting-engines/trace-event-perl.c1
-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c1
-rw-r--r--tools/perf/util/session.c25
-rw-r--r--tools/perf/util/session.h7
-rw-r--r--tools/perf/util/setup.py7
-rw-r--r--tools/perf/util/string.c2
-rw-r--r--tools/perf/util/symbol.c30
-rw-r--r--tools/perf/util/trace-event-scripting.c1
-rw-r--r--tools/perf/util/trace-event.h1
-rw-r--r--tools/perf/util/ui/browsers/annotate.c6
-rw-r--r--tools/perf/util/ui/browsers/hists.c2
24 files changed, 271 insertions, 120 deletions
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 31f934af986..a91cd99f26e 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -16,6 +16,7 @@
static int build_id__mark_dso_hit(union perf_event *event,
struct perf_sample *sample __used,
+ struct perf_evsel *evsel __used,
struct perf_session *session)
{
struct addr_location al;
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index 9fea7553522..96bee5c4600 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -13,7 +13,7 @@ cgroupfs_find_mountpoint(char *buf, size_t maxlen)
{
FILE *fp;
char mountpoint[MAX_PATH+1], tokens[MAX_PATH+1], type[MAX_PATH+1];
- char *token, *saved_ptr;
+ char *token, *saved_ptr = NULL;
int found = 0;
fp = fopen("/proc/mounts", "r");
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
index d4536a9e0d8..155749d7435 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 93516cf4682..fd53db47e3d 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 2b15c362ef5..1023f67633a 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/evlist.c b/tools/perf/util/evlist.c
index d852cefa20d..45da8d186b4 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -12,6 +12,7 @@
#include "evlist.h"
#include "evsel.h"
#include "util.h"
+#include "debug.h"
#include <sys/mman.h>
@@ -250,15 +251,19 @@ int perf_evlist__alloc_mmap(struct perf_evlist *evlist)
return evlist->mmap != NULL ? 0 : -ENOMEM;
}
-static int __perf_evlist__mmap(struct perf_evlist *evlist, int cpu, int prot,
- int mask, int fd)
+static int __perf_evlist__mmap(struct perf_evlist *evlist, struct perf_evsel *evsel,
+ int cpu, int prot, int mask, int fd)
{
evlist->mmap[cpu].prev = 0;
evlist->mmap[cpu].mask = mask;
evlist->mmap[cpu].base = mmap(NULL, evlist->mmap_len, prot,
MAP_SHARED, fd, 0);
- if (evlist->mmap[cpu].base == MAP_FAILED)
+ if (evlist->mmap[cpu].base == MAP_FAILED) {
+ if (evlist->cpus->map[cpu] == -1 && evsel->attr.inherit)
+ ui__warning("Inherit is not allowed on per-task "
+ "events using mmap.\n");
return -1;
+ }
perf_evlist__add_pollfd(evlist, fd);
return 0;
@@ -312,7 +317,8 @@ int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite)
if (ioctl(fd, PERF_EVENT_IOC_SET_OUTPUT,
FD(first_evsel, cpu, 0)) != 0)
goto out_unmap;
- } else if (__perf_evlist__mmap(evlist, cpu, prot, mask, fd) < 0)
+ } else if (__perf_evlist__mmap(evlist, evsel, cpu,
+ prot, mask, fd) < 0)
goto out_unmap;
if ((evsel->attr.read_format & PERF_FORMAT_ID) &&
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 662596afd7f..d6fd59beb86 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -175,7 +175,7 @@ int __perf_evsel__read(struct perf_evsel *evsel,
}
static int __perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
- struct thread_map *threads, bool group, bool inherit)
+ struct thread_map *threads, bool group)
{
int cpu, thread;
unsigned long flags = 0;
@@ -192,19 +192,6 @@ static int __perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
for (cpu = 0; cpu < cpus->nr; cpu++) {
int group_fd = -1;
- /*
- * Don't allow mmap() of inherited per-task counters. This
- * would create a performance issue due to all children writing
- * to the same buffer.
- *
- * FIXME:
- * Proper fix is not to pass 'inherit' to perf_evsel__open*,
- * but a 'flags' parameter, with 'group' folded there as well,
- * then introduce a PERF_O_{MMAP,GROUP,INHERIT} enum, and if
- * O_MMAP is set, emit a warning if cpu < 0 and O_INHERIT is
- * set. Lets go for the minimal fix first tho.
- */
- evsel->attr.inherit = (cpus->map[cpu] >= 0) && inherit;
for (thread = 0; thread < threads->nr; thread++) {
@@ -253,7 +240,7 @@ static struct {
};
int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
- struct thread_map *threads, bool group, bool inherit)
+ struct thread_map *threads, bool group)
{
if (cpus == NULL) {
/* Work around old compiler warnings about strict aliasing */
@@ -263,19 +250,19 @@ int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
if (threads == NULL)
threads = &empty_thread_map.map;
- return __perf_evsel__open(evsel, cpus, threads, group, inherit);
+ return __perf_evsel__open(evsel, cpus, threads, group);
}
int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
- struct cpu_map *cpus, bool group, bool inherit)
+ struct cpu_map *cpus, bool group)
{
- return __perf_evsel__open(evsel, cpus, &empty_thread_map.map, group, inherit);
+ return __perf_evsel__open(evsel, cpus, &empty_thread_map.map, group);
}
int perf_evsel__open_per_thread(struct perf_evsel *evsel,
- struct thread_map *threads, bool group, bool inherit)
+ struct thread_map *threads, bool group)
{
- return __perf_evsel__open(evsel, &empty_cpu_map.map, threads, group, inherit);
+ return __perf_evsel__open(evsel, &empty_cpu_map.map, threads, group);
}
static int perf_event__parse_id_sample(const union perf_event *event, u64 type,
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 6710ab53834..f79bb2c09a6 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -81,11 +81,11 @@ void perf_evsel__free_id(struct perf_evsel *evsel);
void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
- struct cpu_map *cpus, bool group, bool inherit);
+ struct cpu_map *cpus, bool group);
int perf_evsel__open_per_thread(struct perf_evsel *evsel,
- struct thread_map *threads, bool group, bool inherit);
+ struct thread_map *threads, bool group);
int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
- struct thread_map *threads, bool group, bool inherit);
+ struct thread_map *threads, bool group);
#define perf_evsel__match(evsel, t, c) \
(evsel->attr.type == PERF_TYPE_##t && \
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index e5230c0ef95..93862a8027e 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -695,13 +695,50 @@ out:
return err;
}
+static int perf_header__read_build_ids_abi_quirk(struct perf_header *header,
+ int input, u64 offset, u64 size)
+{
+ struct perf_session *session = container_of(header, struct perf_session, header);
+ struct {
+ struct perf_event_header header;
+ u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
+ char filename[0];
+ } old_bev;
+ struct build_id_event bev;
+ char filename[PATH_MAX];
+ u64 limit = offset + size;
+
+ while (offset < limit) {
+ ssize_t len;
+
+ if (read(input, &old_bev, sizeof(old_bev)) != sizeof(old_bev))
+ return -1;
+
+ if (header->needs_swap)
+ perf_event_header__bswap(&old_bev.header);
+
+ len = old_bev.header.size - sizeof(old_bev);
+ if (read(input, filename, len) != len)
+ return -1;
+
+ bev.header = old_bev.header;
+ bev.pid = 0;
+ memcpy(bev.build_id, old_bev.build_id, sizeof(bev.build_id));
+ __event_process_build_id(&bev, filename, session);
+
+ offset += bev.header.size;
+ }
+
+ return 0;
+}
+
static int perf_header__read_build_ids(struct perf_header *header,
int input, u64 offset, u64 size)
{
struct perf_session *session = container_of(header, struct perf_session, header);
struct build_id_event bev;
char filename[PATH_MAX];
- u64 limit = offset + size;
+ u64 limit = offset + size, orig_offset = offset;
int err = -1;
while (offset < limit) {
@@ -716,6 +753,24 @@ static int perf_header__read_build_ids(struct perf_header *header,
len = bev.header.size - sizeof(bev);
if (read(input, filename, len) != len)
goto out;
+ /*
+ * The a1645ce1 changeset:
+ *
+ * "perf: 'perf kvm' tool for monitoring guest performance from host"
+ *
+ * Added a field to struct build_id_event that broke the file
+ * format.
+ *
+ * Since the kernel build-id is the first entry, process the
+ * table using the old format if the well known
+ * '[kernel.kallsyms]' string for the kernel build-id has the
+ * first 4 characters chopped off (where the pid_t sits).
+ */
+ if (memcmp(filename, "nel.kallsyms]", 13) == 0) {
+ if (lseek(input, orig_offset, SEEK_SET) == (off_t)-1)
+ return -1;
+ return perf_header__read_build_ids_abi_quirk(header, input, offset, size);
+ }
__event_process_build_id(&bev, filename, session);
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index cb6858a2f9a..3beb97c4d82 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -29,6 +29,7 @@ struct events_stats {
u32 nr_events[PERF_RECORD_HEADER_MAX];
u32 nr_unknown_events;
u32 nr_invalid_chains;
+ u32 nr_unknown_id;
};
enum hist_column {
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 5ddee66020a..f0223166e76 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -234,7 +234,6 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
/* Searching trace events corresponding to probe event */
ntevs = find_probe_trace_events(fd, pev, tevs, max_tevs);
- close(fd);
if (ntevs > 0) { /* Succeeded to find trace events */
pr_debug("find %d probe_trace_events.\n", ntevs);
@@ -388,7 +387,6 @@ int show_line_range(struct line_range *lr, const char *module)
}
ret = find_line_range(fd, lr);
- close(fd);
if (ret == 0) {
pr_warning("Specified source line is not found.\n");
return -ENOENT;
@@ -512,19 +510,18 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs,
if (ret < 0)
return ret;
- fd = open_vmlinux(module);
- if (fd < 0) {
- pr_warning("Failed to open debug information file.\n");
- return fd;
- }
-
setup_pager();
- for (i = 0; i < npevs && ret >= 0; i++)
+ for (i = 0; i < npevs && ret >= 0; i++) {
+ fd = open_vmlinux(module);
+ if (fd < 0) {
+ pr_warning("Failed to open debug information file.\n");
+ ret = fd;
+ break;
+ }
ret = show_available_vars_at(fd, &pevs[i], max_vls, _filter,
externs);
-
- close(fd);
+ }
return ret;
}
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 194f9e2a328..b7c85ce466a 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -273,6 +273,25 @@ static const char *cu_get_comp_dir(Dwarf_Die *cu_die)
return dwarf_formstring(&attr);
}
+/* Get a line number and file name for given address */
+static int cu_find_lineinfo(Dwarf_Die *cudie, unsigned long addr,
+ const char **fname, int *lineno)
+{
+ Dwarf_Line *line;
+ Dwarf_Addr laddr;
+
+ line = dwarf_getsrc_die(cudie, (Dwarf_Addr)addr);
+ if (line && dwarf_lineaddr(line, &laddr) == 0 &&
+ addr == (unsigned long)laddr && dwarf_lineno(line, lineno) == 0) {
+ *fname = dwarf_linesrc(line, NULL, NULL);
+ if (!*fname)
+ /* line number is useless without filename */
+ *lineno = 0;
+ }
+
+ return *lineno ?: -ENOENT;
+}
+
/* Compare diename and tname */
static bool die_compare_name(Dwarf_Die *dw_die, const char *tname)
{
@@ -497,7 +516,20 @@ static int __die_find_inline_cb(Dwarf_Die *die_mem, void *data)
static Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr,
Dwarf_Die *die_mem)
{
- return die_find_child(sp_die, __die_find_inline_cb, &addr, die_mem);
+ Dwarf_Die tmp_die;
+
+ sp_die = die_find_child(sp_die, __die_find_inline_cb, &addr, &tmp_die);
+ if (!sp_die)
+ return NULL;
+
+ /* Inlined function could be recursive. Trace it until fail */
+ while (sp_die) {
+ memcpy(die_mem, sp_die, sizeof(Dwarf_Die));
+ sp_die = die_find_child(sp_die, __die_find_inline_cb, &addr,
+ &tmp_die);
+ }
+
+ return die_mem;
}
/* Walker on lines (Note: line number will not be sorted) */
@@ -1395,6 +1427,10 @@ static int probe_point_search_cb(Dwarf_Die *sp_die, void *data)
!die_compare_name(sp_die, pp->function))
return DWARF_CB_OK;
+ /* Check declared file */
+ if (pp->file && strtailcmp(pp->file, dwarf_decl_file(sp_die)))
+ return DWARF_CB_OK;
+
pf->fname = dwarf_decl_file(sp_die);
if (pp->line) { /* Function relative line */
dwarf_decl_line(sp_die, &pf->lno);
@@ -1451,6 +1487,7 @@ static int find_probes(int fd, struct probe_finder *pf)
if (!dbg) {
pr_warning("No debug information found in the vmlinux - "
"please rebuild with CONFIG_DEBUG_INFO=y.\n");
+ close(fd); /* Without dwfl_end(), fd isn't closed. */
return -EBADF;
}
@@ -1686,11 +1723,9 @@ int find_perf_probe_point(unsigned long addr, struct perf_probe_point *ppt)
Dwarf_Die cudie, spdie, indie;
Dwarf *dbg = NULL;
Dwfl *dwfl = NULL;
- Dwarf_Line *line;
- Dwarf_Addr laddr, eaddr, bias = 0;
- const char *tmp;
- int lineno, ret = 0;
- bool found = false;
+ Dwarf_Addr _addr, baseaddr, bias = 0;
+ const char *fname = NULL, *func = NULL, *tmp;
+ int baseline = 0, lineno = 0, ret = 0;
/* Open the live linux kernel */
dbg = dwfl_init_live_kernel_dwarf(addr, &dwfl, &bias);
@@ -1711,68 +1746,79 @@ int find_perf_probe_point(unsigned long addr, struct perf_probe_point *ppt)
goto end;
}
- /* Find a corresponding line */
- line = dwarf_getsrc_die(&cudie, (Dwarf_Addr)addr);
- if (line) {
- if (dwarf_lineaddr(line, &laddr) == 0 &&
- (Dwarf_Addr)addr == laddr &&
- dwarf_lineno(line, &lineno) == 0) {
- tmp = dwarf_linesrc(line, NULL, NULL);
- if (tmp) {
- ppt->line = lineno;
- ppt->file = strdup(tmp);
- if (ppt->file == NULL) {
- ret = -ENOMEM;
- goto end;
- }
- found = true;
- }
- }
- }
+ /* Find a corresponding line (filename and lineno) */
+ cu_find_lineinfo(&cudie, addr, &fname, &lineno);
+ /* Don't care whether it failed or not */
- /* Find a corresponding function */
+ /* Find a corresponding function (name, baseline and baseaddr) */
if (die_find_real_subprogram(&cudie, (Dwarf_Addr)addr, &spdie)) {
+ /* Get function entry information */
tmp = dwarf_diename(&spdie);
- if (!tmp || dwarf_entrypc(&spdie, &eaddr) != 0)
- goto end;
-
- if (ppt->line) {
- if (die_find_inlinefunc(&spdie, (Dwarf_Addr)addr,
- &indie)) {
- /* addr in an inline function */
+ if (!tmp ||
+ dwarf_entrypc(&spdie, &baseaddr) != 0 ||
+ dwarf_decl_line(&spdie, &baseline) != 0)
+ goto post;
+ func = tmp;
+
+ if (addr == (unsigned long)baseaddr)
+ /* Function entry - Relative line number is 0 */
+ lineno = baseline;
+ else if (die_find_inlinefunc(&spdie, (Dwarf_Addr)addr,
+ &indie)) {
+ if (dwarf_entrypc(&indie, &_addr) == 0 &&
+ _addr == addr)
+ /*
+ * addr is at an inline function entry.
+ * In this case, lineno should be the call-site
+ * line number.
+ */
+ lineno = die_get_call_lineno(&indie);
+ else {
+ /*
+ * addr is in an inline function body.
+ * Since lineno points one of the lines
+ * of the inline function, baseline should
+ * be the entry line of the inline function.
+ */
tmp = dwarf_diename(&indie);
- if (!tmp)
- goto end;
- ret = dwarf_decl_line(&indie, &lineno);
- } else {
- if (eaddr == addr) { /* Function entry */
- lineno = ppt->line;
- ret = 0;
- } else
- ret = dwarf_decl_line(&spdie, &lineno);
- }
- if (ret == 0) {
- /* Make a relative line number */
- ppt->line -= lineno;
- goto found;
+ if (tmp &&
+ dwarf_decl_line(&spdie, &baseline) == 0)
+ func = tmp;
}
}
- /* We don't have a line number, let's use offset */
- ppt->offset = addr - (unsigned long)eaddr;
-found:
- ppt->function = strdup(tmp);
+ }
+
+post:
+ /* Make a relative line number or an offset */
+ if (lineno)
+ ppt->line = lineno - baseline;
+ else if (func)
+ ppt->offset = addr - (unsigned long)baseaddr;
+
+ /* Duplicate strings */
+ if (func) {
+ ppt->function = strdup(func);
if (ppt->function == NULL) {
ret = -ENOMEM;
goto end;
}
- found = true;
}
-
+ if (fname) {
+ ppt->file = strdup(fname);
+ if (ppt->file == NULL) {
+ if (ppt->function) {
+ free(ppt->function);
+ ppt->function = NULL;
+ }
+ ret = -ENOMEM;
+ goto end;
+ }
+ }
end:
if (dwfl)
dwfl_end(dwfl);
- if (ret >= 0)
- ret = found ? 1 : 0;
+ if (ret == 0 && (fname || func))
+ ret = 1; /* Found a point */
return ret;
}
@@ -1840,6 +1886,10 @@ static int line_range_search_cb(Dwarf_Die *sp_die, void *data)
struct line_finder *lf = param->data;
struct line_range *lr = lf->lr;
+ /* Check declared file */
+ if (lr->file && strtailcmp(lr->file, dwarf_decl_file(sp_die)))
+ return DWARF_CB_OK;
+
if (dwarf_tag(sp_die) == DW_TAG_subprogram &&
die_compare_name(sp_die, lr->function)) {
lf->fname = dwarf_decl_file(sp_die);
@@ -1892,6 +1942,7 @@ int find_line_range(int fd, struct line_range *lr)
if (!dbg) {
pr_warning("No debug information found in the vmlinux - "
"please rebuild with CONFIG_DEBUG_INFO=y.\n");
+ close(fd); /* Without dwfl_end(), fd isn't closed. */
return -EBADF;
}
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index a9f2d7e1204..f5e38451fdc 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -498,11 +498,11 @@ static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
struct cpu_map *cpus = NULL;
struct thread_map *threads = NULL;
PyObject *pcpus = NULL, *pthreads = NULL;
- int group = 0, overwrite = 0;
- static char *kwlist[] = {"cpus", "threads", "group", "overwrite", NULL, NULL};
+ int group = 0, inherit = 0;
+ static char *kwlist[] = {"cpus", "threads", "group", "inherit", NULL, NULL};
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist,
- &pcpus, &pthreads, &group, &overwrite))
+ &pcpus, &pthreads, &group, &inherit))
return NULL;
if (pthreads != NULL)
@@ -511,7 +511,8 @@ static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
if (pcpus != NULL)
cpus = ((struct pyrf_cpu_map *)pcpus)->cpus;
- if (perf_evsel__open(evsel, cpus, threads, group, overwrite) < 0) {
+ evsel->attr.inherit = inherit;
+ if (perf_evsel__open(evsel, cpus, threads, group) < 0) {
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 621427212e8..74350ffb57f 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -247,6 +247,7 @@ static inline struct event *find_cache_event(int type)
static void perl_process_event(union perf_event *pevent __unused,
struct perf_sample *sample,
+ struct perf_evsel *evsel,
struct perf_session *session __unused,
struct thread *thread)
{
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 1b85d605515..6ccf70e8d8f 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -206,6 +206,7 @@ static inline struct event *find_cache_event(int type)
static void python_process_event(union perf_event *pevent __unused,
struct perf_sample *sample,
+ struct perf_evsel *evsel __unused,
struct perf_session *session __unused,
struct thread *thread)
{
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index c68cf40764f..caa224522fe 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -280,6 +280,15 @@ static int process_event_synth_stub(union perf_event *event __used,
return 0;
}
+static int process_event_sample_stub(union perf_event *event __used,
+ struct perf_sample *sample __used,
+ struct perf_evsel *evsel __used,
+ struct perf_session *session __used)
+{
+ dump_printf(": unhandled!\n");
+ return 0;
+}
+
static int process_event_stub(union perf_event *event __used,
struct perf_sample *sample __used,
struct perf_session *session __used)
@@ -303,7 +312,7 @@ static int process_finished_round(union perf_event *event,
static void perf_event_ops__fill_defaults(struct perf_event_ops *handler)
{
if (handler->sample == NULL)
- handler->sample = process_event_stub;
+ handler->sample = process_event_sample_stub;
if (handler->mmap == NULL)
handler->mmap = process_event_stub;
if (handler->comm == NULL)
@@ -698,12 +707,19 @@ static int perf_session_deliver_event(struct perf_session *session,
struct perf_event_ops *ops,
u64 file_offset)
{
+ struct perf_evsel *evsel;
+
dump_event(session, event, file_offset, sample);
switch (event->header.type) {
case PERF_RECORD_SAMPLE:
dump_sample(session, event, sample);
- return ops->sample(event, sample, session);
+ evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+ if (evsel == NULL) {
+ ++session->hists.stats.nr_unknown_id;
+ return -1;
+ }
+ return ops->sample(event, sample, evsel, session);
case PERF_RECORD_MMAP:
return ops->mmap(event, sample, session);
case PERF_RECORD_COMM:
@@ -845,6 +861,11 @@ static void perf_session__warn_about_errors(const struct perf_session *session,
session->hists.stats.nr_unknown_events);
}
+ if (session->hists.stats.nr_unknown_id != 0) {
+ ui__warning("%u samples with id not present in the header\n",
+ session->hists.stats.nr_unknown_id);
+ }
+
if (session->hists.stats.nr_invalid_chains != 0) {
ui__warning("Found invalid callchains!\n\n"
"%u out of %u events were discarded for this reason.\n\n"
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 0b3c9afecaa..1ac481fc110 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -55,8 +55,11 @@ struct perf_session {
char filename[0];
};
+struct perf_evsel;
struct perf_event_ops;
+typedef int (*event_sample)(union perf_event *event, struct perf_sample *sample,
+ struct perf_evsel *evsel, struct perf_session *session);
typedef int (*event_op)(union perf_event *self, struct perf_sample *sample,
struct perf_session *session);
typedef int (*event_synth_op)(union perf_event *self,
@@ -65,8 +68,8 @@ typedef int (*event_op2)(union perf_event *self, struct perf_session *session,
struct perf_event_ops *ops);
struct perf_event_ops {
- event_op sample,
- mmap,
+ event_sample sample;
+ event_op mmap,
comm,
fork,
exit,
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index e24ffadb20b..bbc982f5dd8 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/string.c b/tools/perf/util/string.c
index 8fc0bd3a3a4..b9a985dadd0 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -85,7 +85,7 @@ out:
/*
* Helper function for splitting a string into an argv-like array.
- * originaly copied from lib/argv_split.c
+ * originally copied from lib/argv_split.c
*/
static const char *skip_sep(const char *cp)
{
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 651dbfe7f4f..f06c10f092b 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) {
@@ -1486,7 +1488,9 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
* On the first pass, only load images if they have a full symtab.
* Failing that, do a second pass where we accept .dynsym also
*/
- for (self->symtab_type = SYMTAB__BUILD_ID_CACHE, want_symtab = 1;
+ want_symtab = 1;
+restart:
+ for (self->symtab_type = SYMTAB__BUILD_ID_CACHE;
self->symtab_type != SYMTAB__NOT_FOUND;
self->symtab_type++) {
switch (self->symtab_type) {
@@ -1536,17 +1540,7 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
snprintf(name, size, "%s%s", symbol_conf.symfs,
self->long_name);
break;
-
- default:
- /*
- * If we wanted a full symtab but no image had one,
- * relax our requirements and repeat the search.
- */
- if (want_symtab) {
- want_symtab = 0;
- self->symtab_type = SYMTAB__BUILD_ID_CACHE;
- } else
- continue;
+ default:;
}
/* Name is now the name of the next image to try */
@@ -1573,6 +1567,15 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
}
}
+ /*
+ * If we wanted a full symtab but no image had one,
+ * relax our requirements and repeat the search.
+ */
+ if (ret <= 0 && want_symtab) {
+ want_symtab = 0;
+ goto restart;
+ }
+
free(name);
if (ret < 0 && strstr(self->name, " (deleted)") != NULL)
return 0;
@@ -1841,6 +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);
@@ -2402,6 +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) -
diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index 66f4b78737a..c9dcbec7d80 100644
--- a/tools/perf/util/trace-event-scripting.c
+++ b/tools/perf/util/trace-event-scripting.c
@@ -38,6 +38,7 @@ static int stop_script_unsupported(void)
static void process_event_unsupported(union perf_event *event __unused,
struct perf_sample *sample __unused,
+ struct perf_evsel *evsel __unused,
struct perf_session *session __unused,
struct thread *thread __unused)
{
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index b04da572243..f674dda3363 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -280,6 +280,7 @@ struct scripting_ops {
int (*stop_script) (void);
void (*process_event) (union perf_event *event,
struct perf_sample *sample,
+ struct perf_evsel *evsel,
struct perf_session *session,
struct thread *thread);
int (*generate_script) (const char *outfile);
diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c
index 8c17a8730e4..15633d60813 100644
--- a/tools/perf/util/ui/browsers/annotate.c
+++ b/tools/perf/util/ui/browsers/annotate.c
@@ -256,10 +256,9 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
int refresh)
{
struct objdump_line *pos, *n;
- struct annotation *notes = symbol__annotation(sym);
+ struct annotation *notes;
struct annotate_browser browser = {
.b = {
- .entries = &notes->src->source,
.refresh = ui_browser__list_head_refresh,
.seek = ui_browser__list_head_seek,
.write = annotate_browser__write,
@@ -281,6 +280,8 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
ui_helpline__push("Press <- or ESC to exit");
+ notes = symbol__annotation(sym);
+
list_for_each_entry(pos, &notes->src->source, node) {
struct objdump_line_rb_node *rbpos;
size_t line_len = strlen(pos->line);
@@ -291,6 +292,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
rbpos->idx = browser.b.nr_entries++;
}
+ browser.b.entries = &notes->src->source,
browser.b.width += 18; /* Percentage */
ret = annotate_browser__run(&browser, evidx, refresh);
list_for_each_entry_safe(pos, n, &notes->src->source, node) {
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index 798efdca3ea..5d767c622df 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -851,7 +851,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel,
goto out_free_stack;
case 'a':
if (browser->selection == NULL ||
- browser->selection->map == NULL ||
+ browser->selection->sym == NULL ||
browser->selection->map->dso->annotate_warned)
continue;
goto do_annotate;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-20 08:54:26 +0000