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-rw-r--r--tools/perf/util/annotate.c8
-rw-r--r--tools/perf/util/auxtrace.c17
-rw-r--r--tools/perf/util/auxtrace.h5
-rw-r--r--tools/perf/util/cs-etm.c42
-rw-r--r--tools/perf/util/env.h1
-rw-r--r--tools/perf/util/event.c1
-rw-r--r--tools/perf/util/evlist.c2
-rw-r--r--tools/perf/util/evsel.c27
-rw-r--r--tools/perf/util/evsel.h5
-rw-r--r--tools/perf/util/genelf.h6
-rw-r--r--tools/perf/util/header.c23
-rw-r--r--tools/perf/util/header.h1
-rw-r--r--tools/perf/util/intel-bts.c20
-rw-r--r--tools/perf/util/intel-pt.c31
-rw-r--r--tools/perf/util/machine.c54
-rw-r--r--tools/perf/util/parse-events.c8
-rw-r--r--tools/perf/util/parse-events.h1
-rw-r--r--tools/perf/util/parse-events.l1
-rw-r--r--tools/perf/util/symbol-elf.c12
-rw-r--r--tools/perf/util/symbol.h3
-rw-r--r--tools/perf/util/thread-stack.c44
-rw-r--r--tools/perf/util/thread-stack.h2
-rw-r--r--tools/perf/util/thread.c13
-rw-r--r--tools/perf/util/thread.h4
-rw-r--r--tools/perf/util/unwind-libdw.c4
25 files changed, 269 insertions, 66 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 28cd6a17491b..6936daf89ddd 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -139,6 +139,7 @@ static int arch__associate_ins_ops(struct arch* arch, const char *name, struct i
#include "arch/x86/annotate/instructions.c"
#include "arch/powerpc/annotate/instructions.c"
#include "arch/s390/annotate/instructions.c"
+#include "arch/sparc/annotate/instructions.c"
static struct arch architectures[] = {
{
@@ -170,6 +171,13 @@ static struct arch architectures[] = {
.comment_char = '#',
},
},
+ {
+ .name = "sparc",
+ .init = sparc__annotate_init,
+ .objdump = {
+ .comment_char = '#',
+ },
+ },
};
static void ins__delete(struct ins_operands *ops)
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index c4617bcfd521..72d5ba2479bf 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -962,16 +962,23 @@ s64 perf_event__process_auxtrace(struct perf_session *session,
#define PERF_ITRACE_DEFAULT_LAST_BRANCH_SZ 64
#define PERF_ITRACE_MAX_LAST_BRANCH_SZ 1024
-void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts)
+void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts,
+ bool no_sample)
{
- synth_opts->instructions = true;
synth_opts->branches = true;
synth_opts->transactions = true;
synth_opts->ptwrites = true;
synth_opts->pwr_events = true;
synth_opts->errors = true;
- synth_opts->period_type = PERF_ITRACE_DEFAULT_PERIOD_TYPE;
- synth_opts->period = PERF_ITRACE_DEFAULT_PERIOD;
+ if (no_sample) {
+ synth_opts->period_type = PERF_ITRACE_PERIOD_INSTRUCTIONS;
+ synth_opts->period = 1;
+ synth_opts->calls = true;
+ } else {
+ synth_opts->instructions = true;
+ synth_opts->period_type = PERF_ITRACE_DEFAULT_PERIOD_TYPE;
+ synth_opts->period = PERF_ITRACE_DEFAULT_PERIOD;
+ }
synth_opts->callchain_sz = PERF_ITRACE_DEFAULT_CALLCHAIN_SZ;
synth_opts->last_branch_sz = PERF_ITRACE_DEFAULT_LAST_BRANCH_SZ;
synth_opts->initial_skip = 0;
@@ -999,7 +1006,7 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
}
if (!str) {
- itrace_synth_opts__set_default(synth_opts);
+ itrace_synth_opts__set_default(synth_opts, false);
return 0;
}
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index d88f6e9eb461..8e50f96d4b23 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -58,6 +58,7 @@ enum itrace_period_type {
/**
* struct itrace_synth_opts - AUX area tracing synthesis options.
* @set: indicates whether or not options have been set
+ * @default_no_sample: Default to no sampling.
* @inject: indicates the event (not just the sample) must be fully synthesized
* because 'perf inject' will write it out
* @instructions: whether to synthesize 'instructions' events
@@ -82,6 +83,7 @@ enum itrace_period_type {
*/
struct itrace_synth_opts {
bool set;
+ bool default_no_sample;
bool inject;
bool instructions;
bool branches;
@@ -528,7 +530,8 @@ int perf_event__process_auxtrace_error(struct perf_session *session,
union perf_event *event);
int itrace_parse_synth_opts(const struct option *opt, const char *str,
int unset);
-void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts);
+void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts,
+ bool no_sample);
size_t perf_event__fprintf_auxtrace_error(union perf_event *event, FILE *fp);
void perf_session__auxtrace_error_inc(struct perf_session *session,
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index 2ae640257fdb..73430b73570d 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -244,6 +244,27 @@ static void cs_etm__free(struct perf_session *session)
zfree(&aux);
}
+static u8 cs_etm__cpu_mode(struct cs_etm_queue *etmq, u64 address)
+{
+ struct machine *machine;
+
+ machine = etmq->etm->machine;
+
+ if (address >= etmq->etm->kernel_start) {
+ if (machine__is_host(machine))
+ return PERF_RECORD_MISC_KERNEL;
+ else
+ return PERF_RECORD_MISC_GUEST_KERNEL;
+ } else {
+ if (machine__is_host(machine))
+ return PERF_RECORD_MISC_USER;
+ else if (perf_guest)
+ return PERF_RECORD_MISC_GUEST_USER;
+ else
+ return PERF_RECORD_MISC_HYPERVISOR;
+ }
+}
+
static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u64 address,
size_t size, u8 *buffer)
{
@@ -258,10 +279,7 @@ static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u64 address,
return -1;
machine = etmq->etm->machine;
- if (address >= etmq->etm->kernel_start)
- cpumode = PERF_RECORD_MISC_KERNEL;
- else
- cpumode = PERF_RECORD_MISC_USER;
+ cpumode = cs_etm__cpu_mode(etmq, address);
thread = etmq->thread;
if (!thread) {
@@ -653,7 +671,7 @@ static int cs_etm__synth_instruction_sample(struct cs_etm_queue *etmq,
struct perf_sample sample = {.ip = 0,};
event->sample.header.type = PERF_RECORD_SAMPLE;
- event->sample.header.misc = PERF_RECORD_MISC_USER;
+ event->sample.header.misc = cs_etm__cpu_mode(etmq, addr);
event->sample.header.size = sizeof(struct perf_event_header);
sample.ip = addr;
@@ -665,7 +683,7 @@ static int cs_etm__synth_instruction_sample(struct cs_etm_queue *etmq,
sample.cpu = etmq->packet->cpu;
sample.flags = 0;
sample.insn_len = 1;
- sample.cpumode = event->header.misc;
+ sample.cpumode = event->sample.header.misc;
if (etm->synth_opts.last_branch) {
cs_etm__copy_last_branch_rb(etmq);
@@ -706,12 +724,15 @@ static int cs_etm__synth_branch_sample(struct cs_etm_queue *etmq)
u64 nr;
struct branch_entry entries;
} dummy_bs;
+ u64 ip;
+
+ ip = cs_etm__last_executed_instr(etmq->prev_packet);
event->sample.header.type = PERF_RECORD_SAMPLE;
- event->sample.header.misc = PERF_RECORD_MISC_USER;
+ event->sample.header.misc = cs_etm__cpu_mode(etmq, ip);
event->sample.header.size = sizeof(struct perf_event_header);
- sample.ip = cs_etm__last_executed_instr(etmq->prev_packet);
+ sample.ip = ip;
sample.pid = etmq->pid;
sample.tid = etmq->tid;
sample.addr = cs_etm__first_executed_instr(etmq->packet);
@@ -720,7 +741,7 @@ static int cs_etm__synth_branch_sample(struct cs_etm_queue *etmq)
sample.period = 1;
sample.cpu = etmq->packet->cpu;
sample.flags = 0;
- sample.cpumode = PERF_RECORD_MISC_USER;
+ sample.cpumode = event->sample.header.misc;
/*
* perf report cannot handle events without a branch stack
@@ -1432,7 +1453,8 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
if (session->itrace_synth_opts && session->itrace_synth_opts->set) {
etm->synth_opts = *session->itrace_synth_opts;
} else {
- itrace_synth_opts__set_default(&etm->synth_opts);
+ itrace_synth_opts__set_default(&etm->synth_opts,
+ session->itrace_synth_opts->default_no_sample);
etm->synth_opts.callchain = false;
}
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h
index 1f3ccc368530..d01b8355f4ca 100644
--- a/tools/perf/util/env.h
+++ b/tools/perf/util/env.h
@@ -63,6 +63,7 @@ struct perf_env {
struct numa_node *numa_nodes;
struct memory_node *memory_nodes;
unsigned long long memory_bsize;
+ u64 clockid_res_ns;
};
extern struct perf_env perf_env;
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index bc646185f8d9..e9c108a6b1c3 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -308,6 +308,7 @@ static int perf_event__synthesize_fork(struct perf_tool *tool,
event->fork.pid = tgid;
event->fork.tid = pid;
event->fork.header.type = PERF_RECORD_FORK;
+ event->fork.header.misc = PERF_RECORD_MISC_FORK_EXEC;
event->fork.header.size = (sizeof(event->fork) + machine->id_hdr_size);
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index be440df29615..e88e6f9b1463 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -358,7 +358,7 @@ void perf_evlist__disable(struct perf_evlist *evlist)
struct perf_evsel *pos;
evlist__for_each_entry(evlist, pos) {
- if (!perf_evsel__is_group_leader(pos) || !pos->fd)
+ if (pos->disabled || !perf_evsel__is_group_leader(pos) || !pos->fd)
continue;
perf_evsel__disable(pos);
}
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 29d7b97f66fb..6d187059a373 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -232,6 +232,7 @@ void perf_evsel__init(struct perf_evsel *evsel,
evsel->leader = evsel;
evsel->unit = "";
evsel->scale = 1.0;
+ evsel->max_events = ULONG_MAX;
evsel->evlist = NULL;
evsel->bpf_fd = -1;
INIT_LIST_HEAD(&evsel->node);
@@ -793,6 +794,9 @@ static void apply_config_terms(struct perf_evsel *evsel,
case PERF_EVSEL__CONFIG_TERM_MAX_STACK:
max_stack = term->val.max_stack;
break;
+ case PERF_EVSEL__CONFIG_TERM_MAX_EVENTS:
+ evsel->max_events = term->val.max_events;
+ break;
case PERF_EVSEL__CONFIG_TERM_INHERIT:
/*
* attr->inherit should has already been set by
@@ -1203,16 +1207,27 @@ int perf_evsel__append_addr_filter(struct perf_evsel *evsel, const char *filter)
int perf_evsel__enable(struct perf_evsel *evsel)
{
- return perf_evsel__run_ioctl(evsel,
- PERF_EVENT_IOC_ENABLE,
- 0);
+ int err = perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_ENABLE, 0);
+
+ if (!err)
+ evsel->disabled = false;
+
+ return err;
}
int perf_evsel__disable(struct perf_evsel *evsel)
{
- return perf_evsel__run_ioctl(evsel,
- PERF_EVENT_IOC_DISABLE,
- 0);
+ int err = perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_DISABLE, 0);
+ /*
+ * We mark it disabled here so that tools that disable a event can
+ * ignore events after they disable it. I.e. the ring buffer may have
+ * already a few more events queued up before the kernel got the stop
+ * request.
+ */
+ if (!err)
+ evsel->disabled = true;
+
+ return err;
}
int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 4107c39f4a54..3147ca76c6fc 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -46,6 +46,7 @@ enum term_type {
PERF_EVSEL__CONFIG_TERM_STACK_USER,
PERF_EVSEL__CONFIG_TERM_INHERIT,
PERF_EVSEL__CONFIG_TERM_MAX_STACK,
+ PERF_EVSEL__CONFIG_TERM_MAX_EVENTS,
PERF_EVSEL__CONFIG_TERM_OVERWRITE,
PERF_EVSEL__CONFIG_TERM_DRV_CFG,
PERF_EVSEL__CONFIG_TERM_BRANCH,
@@ -65,6 +66,7 @@ struct perf_evsel_config_term {
bool inherit;
bool overwrite;
char *branch;
+ unsigned long max_events;
} val;
bool weak;
};
@@ -99,6 +101,8 @@ struct perf_evsel {
struct perf_counts *prev_raw_counts;
int idx;
u32 ids;
+ unsigned long max_events;
+ unsigned long nr_events_printed;
char *name;
double scale;
const char *unit;
@@ -119,6 +123,7 @@ struct perf_evsel {
bool snapshot;
bool supported;
bool needs_swap;
+ bool disabled;
bool no_aux_samples;
bool immediate;
bool system_wide;
diff --git a/tools/perf/util/genelf.h b/tools/perf/util/genelf.h
index de322d51c7fe..b72440bf9a79 100644
--- a/tools/perf/util/genelf.h
+++ b/tools/perf/util/genelf.h
@@ -29,6 +29,12 @@ int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_ent
#elif defined(__powerpc__)
#define GEN_ELF_ARCH EM_PPC
#define GEN_ELF_CLASS ELFCLASS32
+#elif defined(__sparc__) && defined(__arch64__)
+#define GEN_ELF_ARCH EM_SPARCV9
+#define GEN_ELF_CLASS ELFCLASS64
+#elif defined(__sparc__)
+#define GEN_ELF_ARCH EM_SPARC
+#define GEN_ELF_CLASS ELFCLASS32
#else
#error "unsupported architecture"
#endif
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 1ec1d9bc2d63..4fd45be95a43 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1034,6 +1034,13 @@ static int write_auxtrace(struct feat_fd *ff,
return err;
}
+static int write_clockid(struct feat_fd *ff,
+ struct perf_evlist *evlist __maybe_unused)
+{
+ return do_write(ff, &ff->ph->env.clockid_res_ns,
+ sizeof(ff->ph->env.clockid_res_ns));
+}
+
static int cpu_cache_level__sort(const void *a, const void *b)
{
struct cpu_cache_level *cache_a = (struct cpu_cache_level *)a;
@@ -1508,6 +1515,12 @@ static void print_cpu_topology(struct feat_fd *ff, FILE *fp)
fprintf(fp, "# Core ID and Socket ID information is not available\n");
}
+static void print_clockid(struct feat_fd *ff, FILE *fp)
+{
+ fprintf(fp, "# clockid frequency: %"PRIu64" MHz\n",
+ ff->ph->env.clockid_res_ns * 1000);
+}
+
static void free_event_desc(struct perf_evsel *events)
{
struct perf_evsel *evsel;
@@ -2531,6 +2544,15 @@ out:
return ret;
}
+static int process_clockid(struct feat_fd *ff,
+ void *data __maybe_unused)
+{
+ if (do_read_u64(ff, &ff->ph->env.clockid_res_ns))
+ return -1;
+
+ return 0;
+}
+
struct feature_ops {
int (*write)(struct feat_fd *ff, struct perf_evlist *evlist);
void (*print)(struct feat_fd *ff, FILE *fp);
@@ -2590,6 +2612,7 @@ static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
FEAT_OPN(CACHE, cache, true),
FEAT_OPR(SAMPLE_TIME, sample_time, false),
FEAT_OPR(MEM_TOPOLOGY, mem_topology, true),
+ FEAT_OPR(CLOCKID, clockid, false)
};
struct header_print_data {
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index e17903caa71d..0d553ddca0a3 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -38,6 +38,7 @@ enum {
HEADER_CACHE,
HEADER_SAMPLE_TIME,
HEADER_MEM_TOPOLOGY,
+ HEADER_CLOCKID,
HEADER_LAST_FEATURE,
HEADER_FEAT_BITS = 256,
};
diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index 7f0c83b6332b..7b27d77306c2 100644
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -269,6 +269,13 @@ static int intel_bts_do_fix_overlap(struct auxtrace_queue *queue,
return 0;
}
+static inline u8 intel_bts_cpumode(struct intel_bts *bts, uint64_t ip)
+{
+ return machine__kernel_ip(bts->machine, ip) ?
+ PERF_RECORD_MISC_KERNEL :
+ PERF_RECORD_MISC_USER;
+}
+
static int intel_bts_synth_branch_sample(struct intel_bts_queue *btsq,
struct branch *branch)
{
@@ -281,12 +288,8 @@ static int intel_bts_synth_branch_sample(struct intel_bts_queue *btsq,
bts->num_events++ <= bts->synth_opts.initial_skip)
return 0;
- event.sample.header.type = PERF_RECORD_SAMPLE;
- event.sample.header.misc = PERF_RECORD_MISC_USER;
- event.sample.header.size = sizeof(struct perf_event_header);
-
- sample.cpumode = PERF_RECORD_MISC_USER;
sample.ip = le64_to_cpu(branch->from);
+ sample.cpumode = intel_bts_cpumode(bts, sample.ip);
sample.pid = btsq->pid;
sample.tid = btsq->tid;
sample.addr = le64_to_cpu(branch->to);
@@ -298,6 +301,10 @@ static int intel_bts_synth_branch_sample(struct intel_bts_queue *btsq,
sample.insn_len = btsq->intel_pt_insn.length;
memcpy(sample.insn, btsq->intel_pt_insn.buf, INTEL_PT_INSN_BUF_SZ);
+ event.sample.header.type = PERF_RECORD_SAMPLE;
+ event.sample.header.misc = sample.cpumode;
+ event.sample.header.size = sizeof(struct perf_event_header);
+
if (bts->synth_opts.inject) {
event.sample.header.size = bts->branches_event_size;
ret = perf_event__synthesize_sample(&event,
@@ -910,7 +917,8 @@ int intel_bts_process_auxtrace_info(union perf_event *event,
if (session->itrace_synth_opts && session->itrace_synth_opts->set) {
bts->synth_opts = *session->itrace_synth_opts;
} else {
- itrace_synth_opts__set_default(&bts->synth_opts);
+ itrace_synth_opts__set_default(&bts->synth_opts,
+ session->itrace_synth_opts->default_no_sample);
if (session->itrace_synth_opts)
bts->synth_opts.thread_stack =
session->itrace_synth_opts->thread_stack;
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 48c1d415c6b0..86cc9a64e982 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -407,6 +407,13 @@ intel_pt_cache_lookup(struct dso *dso, struct machine *machine, u64 offset)
return auxtrace_cache__lookup(dso->auxtrace_cache, offset);
}
+static inline u8 intel_pt_cpumode(struct intel_pt *pt, uint64_t ip)
+{
+ return ip >= pt->kernel_start ?
+ PERF_RECORD_MISC_KERNEL :
+ PERF_RECORD_MISC_USER;
+}
+
static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn,
uint64_t *insn_cnt_ptr, uint64_t *ip,
uint64_t to_ip, uint64_t max_insn_cnt,
@@ -429,10 +436,7 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn,
if (to_ip && *ip == to_ip)
goto out_no_cache;
- if (*ip >= ptq->pt->kernel_start)
- cpumode = PERF_RECORD_MISC_KERNEL;
- else
- cpumode = PERF_RECORD_MISC_USER;
+ cpumode = intel_pt_cpumode(ptq->pt, *ip);
thread = ptq->thread;
if (!thread) {
@@ -759,7 +763,8 @@ static struct intel_pt_queue *intel_pt_alloc_queue(struct intel_pt *pt,
if (pt->synth_opts.callchain) {
size_t sz = sizeof(struct ip_callchain);
- sz += pt->synth_opts.callchain_sz * sizeof(u64);
+ /* Add 1 to callchain_sz for callchain context */
+ sz += (pt->synth_opts.callchain_sz + 1) * sizeof(u64);
ptq->chain = zalloc(sz);
if (!ptq->chain)
goto out_free;
@@ -1058,15 +1063,11 @@ static void intel_pt_prep_b_sample(struct intel_pt *pt,
union perf_event *event,
struct perf_sample *sample)
{
- event->sample.header.type = PERF_RECORD_SAMPLE;
- event->sample.header.misc = PERF_RECORD_MISC_USER;
- event->sample.header.size = sizeof(struct perf_event_header);
-
if (!pt->timeless_decoding)
sample->time = tsc_to_perf_time(ptq->timestamp, &pt->tc);
- sample->cpumode = PERF_RECORD_MISC_USER;
sample->ip = ptq->state->from_ip;
+ sample->cpumode = intel_pt_cpumode(pt, sample->ip);
sample->pid = ptq->pid;
sample->tid = ptq->tid;
sample->addr = ptq->state->to_ip;
@@ -1075,6 +1076,10 @@ static void intel_pt_prep_b_sample(struct intel_pt *pt,
sample->flags = ptq->flags;
sample->insn_len = ptq->insn_len;
memcpy(sample->insn, ptq->insn, INTEL_PT_INSN_BUF_SZ);
+
+ event->sample.header.type = PERF_RECORD_SAMPLE;
+ event->sample.header.misc = sample->cpumode;
+ event->sample.header.size = sizeof(struct perf_event_header);
}
static int intel_pt_inject_event(union perf_event *event,
@@ -1160,7 +1165,8 @@ static void intel_pt_prep_sample(struct intel_pt *pt,
if (pt->synth_opts.callchain) {
thread_stack__sample(ptq->thread, ptq->chain,
- pt->synth_opts.callchain_sz, sample->ip);
+ pt->synth_opts.callchain_sz + 1,
+ sample->ip, pt->kernel_start);
sample->callchain = ptq->chain;
}
@@ -2559,7 +2565,8 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
if (session->itrace_synth_opts && session->itrace_synth_opts->set) {
pt->synth_opts = *session->itrace_synth_opts;
} else {
- itrace_synth_opts__set_default(&pt->synth_opts);
+ itrace_synth_opts__set_default(&pt->synth_opts,
+ session->itrace_synth_opts->default_no_sample);
if (use_browser != -1) {
pt->synth_opts.branches = false;
pt->synth_opts.callchain = true;
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 111ae858cbcb..8f36ce813bc5 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1708,6 +1708,7 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event
struct thread *parent = machine__findnew_thread(machine,
event->fork.ppid,
event->fork.ptid);
+ bool do_maps_clone = true;
int err = 0;
if (dump_trace)
@@ -1736,9 +1737,25 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event
thread = machine__findnew_thread(machine, event->fork.pid,
event->fork.tid);
+ /*
+ * When synthesizing FORK events, we are trying to create thread
+ * objects for the already running tasks on the machine.
+ *
+ * Normally, for a kernel FORK event, we want to clone the parent's
+ * maps because that is what the kernel just did.
+ *
+ * But when synthesizing, this should not be done. If we do, we end up
+ * with overlapping maps as we process the sythesized MMAP2 events that
+ * get delivered shortly thereafter.
+ *
+ * Use the FORK event misc flags in an internal way to signal this
+ * situation, so we can elide the map clone when appropriate.
+ */
+ if (event->fork.header.misc & PERF_RECORD_MISC_FORK_EXEC)
+ do_maps_clone = false;
if (thread == NULL || parent == NULL ||
- thread__fork(thread, parent, sample->time) < 0) {
+ thread__fork(thread, parent, sample->time, do_maps_clone) < 0) {
dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n");
err = -1;
}
@@ -2140,6 +2157,27 @@ static int resolve_lbr_callchain_sample(struct thread *thread,
return 0;
}
+static int find_prev_cpumode(struct ip_callchain *chain, struct thread *thread,
+ struct callchain_cursor *cursor,
+ struct symbol **parent,
+ struct addr_location *root_al,
+ u8 *cpumode, int ent)
+{
+ int err = 0;
+
+ while (--ent >= 0) {
+ u64 ip = chain->ips[ent];
+
+ if (ip >= PERF_CONTEXT_MAX) {
+ err = add_callchain_ip(thread, cursor, parent,
+ root_al, cpumode, ip,
+ false, NULL, NULL, 0);
+ break;
+ }
+ }
+ return err;
+}
+
static int thread__resolve_callchain_sample(struct thread *thread,
struct callchain_cursor *cursor,
struct perf_evsel *evsel,
@@ -2246,6 +2284,12 @@ static int thread__resolve_callchain_sample(struct thread *thread,
}
check_calls:
+ if (callchain_param.order != ORDER_CALLEE) {
+ err = find_prev_cpumode(chain, thread, cursor, parent, root_al,
+ &cpumode, chain->nr - first_call);
+ if (err)
+ return (err < 0) ? err : 0;
+ }
for (i = first_call, nr_entries = 0;
i < chain_nr && nr_entries < max_stack; i++) {
u64 ip;
@@ -2260,9 +2304,15 @@ check_calls:
continue;
#endif
ip = chain->ips[j];
-
if (ip < PERF_CONTEXT_MAX)
++nr_entries;
+ else if (callchain_param.order != ORDER_CALLEE) {
+ err = find_prev_cpumode(chain, thread, cursor, parent,
+ root_al, &cpumode, j);
+ if (err)
+ return (err < 0) ? err : 0;
+ continue;
+ }
err = add_callchain_ip(thread, cursor, parent,
root_al, &cpumode, ip,
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index f8cd3e7c9186..59be3466d64d 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -926,6 +926,7 @@ static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = {
[PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit",
[PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit",
[PARSE_EVENTS__TERM_TYPE_MAX_STACK] = "max-stack",
+ [PARSE_EVENTS__TERM_TYPE_MAX_EVENTS] = "nr",
[PARSE_EVENTS__TERM_TYPE_OVERWRITE] = "overwrite",
[PARSE_EVENTS__TERM_TYPE_NOOVERWRITE] = "no-overwrite",
[PARSE_EVENTS__TERM_TYPE_DRV_CFG] = "driver-config",
@@ -1037,6 +1038,9 @@ do { \
case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
CHECK_TYPE_VAL(NUM);
break;
+ case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
+ CHECK_TYPE_VAL(NUM);
+ break;
default:
err->str = strdup("unknown term");
err->idx = term->err_term;
@@ -1084,6 +1088,7 @@ static int config_term_tracepoint(struct perf_event_attr *attr,
case PARSE_EVENTS__TERM_TYPE_INHERIT:
case PARSE_EVENTS__TERM_TYPE_NOINHERIT:
case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
+ case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE:
return config_term_common(attr, term, err);
@@ -1162,6 +1167,9 @@ do { \
case PARSE_EVENTS__TERM_TYPE_MAX_STACK:
ADD_CONFIG_TERM(MAX_STACK, max_stack, term->val.num);
break;
+ case PARSE_EVENTS__TERM_TYPE_MAX_EVENTS:
+ ADD_CONFIG_TERM(MAX_EVENTS, max_events, term->val.num);
+ break;
case PARSE_EVENTS__TERM_TYPE_OVERWRITE:
ADD_CONFIG_TERM(OVERWRITE, overwrite, term->val.num ? 1 : 0);
break;
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 4473dac27aee..5ed035cbcbb7 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -71,6 +71,7 @@ enum {
PARSE_EVENTS__TERM_TYPE_NOINHERIT,
PARSE_EVENTS__TERM_TYPE_INHERIT,
PARSE_EVENTS__TERM_TYPE_MAX_STACK,
+ PARSE_EVENTS__TERM_TYPE_MAX_EVENTS,
PARSE_EVENTS__TERM_TYPE_NOOVERWRITE,
PARSE_EVENTS__TERM_TYPE_OVERWRITE,
PARSE_EVENTS__TERM_TYPE_DRV_CFG,
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 5f761f3ed0f3..7805c71aaae2 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -269,6 +269,7 @@ time { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_TIME); }
call-graph { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CALLGRAPH); }
stack-size { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_STACKSIZE); }
max-stack { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_MAX_STACK); }
+nr { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_MAX_EVENTS); }
inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_INHERIT); }
no-inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOINHERIT); }
overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_OVERWRITE); }
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 0281d5e2cd67..66a84d5846c8 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -324,7 +324,17 @@ int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss)
plt_entry_size = 16;
break;
- default: /* FIXME: s390/alpha/mips/parisc/poperpc/sh/sparc/xtensa need to be checked */
+ case EM_SPARC:
+ plt_header_size = 48;
+ plt_entry_size = 12;
+ break;
+
+ case EM_SPARCV9:
+ plt_header_size = 128;
+ plt_entry_size = 32;
+ break;
+
+ default: /* FIXME: s390/alpha/mips/parisc/poperpc/sh/xtensa need to be checked */
plt_header_size = shdr_plt.sh_entsize;
plt_entry_size = shdr_plt.sh_entsize;
break;
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 20f49779116b..d026d215bdc6 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -123,7 +123,8 @@ struct symbol_conf {
const char *vmlinux_name,
*kallsyms_name,
*source_prefix,
- *field_sep;
+ *field_sep,
+ *graph_function;
const char *default_guest_vmlinux_name,
*default_guest_kallsyms,
*default_guest_modules;
diff --git a/tools/perf/util/thread-stack.c b/tools/perf/util/thread-stack.c
index c091635bf7dc..61a4286a74dc 100644
--- a/tools/perf/util/thread-stack.c
+++ b/tools/perf/util/thread-stack.c
@@ -310,20 +310,46 @@ void thread_stack__free(struct thread *thread)
}
}
+static inline u64 callchain_context(u64 ip, u64 kernel_start)
+{
+ return ip < kernel_start ? PERF_CONTEXT_USER : PERF_CONTEXT_KERNEL;
+}
+
void thread_stack__sample(struct thread *thread, struct ip_callchain *chain,
- size_t sz, u64 ip)
+ size_t sz, u64 ip, u64 kernel_start)
{
- size_t i;
+ u64 context = callchain_context(ip, kernel_start);
+ u64 last_context;
+ size_t i, j;
- if (!thread || !thread->ts)
- chain->nr = 1;
- else
- chain->nr = min(sz, thread->ts->cnt + 1);
+ if (sz < 2) {
+ chain->nr = 0;
+ return;
+ }
- chain->ips[0] = ip;
+ chain->ips[0] = context;
+ chain->ips[1] = ip;
+
+ if (!thread || !thread->ts) {
+ chain->nr = 2;
+ return;
+ }
+
+ last_context = context;
+
+ for (i = 2, j = 1; i < sz && j <= thread->ts->cnt; i++, j++) {
+ ip = thread->ts->stack[thread->ts->cnt - j].ret_addr;
+ context = callchain_context(ip, kernel_start);
+ if (context != last_context) {
+ if (i >= sz - 1)
+ break;
+ chain->ips[i++] = context;
+ last_context = context;
+ }
+ chain->ips[i] = ip;
+ }
- for (i = 1; i < chain->nr; i++)
- chain->ips[i] = thread->ts->stack[thread->ts->cnt - i].ret_addr;
+ chain->nr = i;
}
struct call_return_processor *
diff --git a/tools/perf/util/thread-stack.h b/tools/perf/util/thread-stack.h
index b7e41c4ebfdd..f97c00a8c251 100644
--- a/tools/perf/util/thread-stack.h
+++ b/tools/perf/util/thread-stack.h
@@ -84,7 +84,7 @@ int thread_stack__event(struct thread *thread, u32 flags, u64 from_ip,
u64 to_ip, u16 insn_len, u64 trace_nr);
void thread_stack__set_trace_nr(struct thread *thread, u64 trace_nr);
void thread_stack__sample(struct thread *thread, struct ip_callchain *chain,
- size_t sz, u64 ip);
+ size_t sz, u64 ip, u64 kernel_start);
int thread_stack__flush(struct thread *thread);
void thread_stack__free(struct thread *thread);
size_t thread_stack__depth(struct thread *thread);
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 2048d393ece6..3d9ed7d0e281 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -330,7 +330,8 @@ static int thread__prepare_access(struct thread *thread)
}
static int thread__clone_map_groups(struct thread *thread,
- struct thread *parent)
+ struct thread *parent,
+ bool do_maps_clone)
{
/* This is new thread, we share map groups for process. */
if (thread->pid_ == parent->pid_)
@@ -341,15 +342,11 @@ static int thread__clone_map_groups(struct thread *thread,
thread->pid_, thread->tid, parent->pid_, parent->tid);
return 0;
}
-
/* But this one is new process, copy maps. */
- if (map_groups__clone(thread, parent->mg) < 0)
- return -ENOMEM;
-
- return 0;
+ return do_maps_clone ? map_groups__clone(thread, parent->mg) : 0;
}
-int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp)
+int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone)
{
if (parent->comm_set) {
const char *comm = thread__comm_str(parent);
@@ -362,7 +359,7 @@ int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp)
}
thread->ppid = parent->tid;
- return thread__clone_map_groups(thread, parent);
+ return thread__clone_map_groups(thread, parent, do_maps_clone);
}
void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 07606aa6998d..30e2b4c165fe 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -42,6 +42,8 @@ struct thread {
void *addr_space;
struct unwind_libunwind_ops *unwind_libunwind_ops;
#endif
+ bool filter;
+ int filter_entry_depth;
};
struct machine;
@@ -87,7 +89,7 @@ struct comm *thread__comm(const struct thread *thread);
struct comm *thread__exec_comm(const struct thread *thread);
const char *thread__comm_str(const struct thread *thread);
int thread__insert_map(struct thread *thread, struct map *map);
-int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
+int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone);
size_t thread__fprintf(struct thread *thread, FILE *fp);
struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index 6f318b15950e..5eff9bfc5758 100644
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -45,13 +45,13 @@ static int __report_module(struct addr_location *al, u64 ip,
Dwarf_Addr s;
dwfl_module_info(mod, NULL, &s, NULL, NULL, NULL, NULL, NULL);
- if (s != al->map->start)
+ if (s != al->map->start - al->map->pgoff)
mod = 0;
}
if (!mod)
mod = dwfl_report_elf(ui->dwfl, dso->short_name,
- (dso->symsrc_filename ? dso->symsrc_filename : dso->long_name), -1, al->map->start,
+ (dso->symsrc_filename ? dso->symsrc_filename : dso->long_name), -1, al->map->start - al->map->pgoff,
false);
return mod && dwfl_addrmodule(ui->dwfl, ip) == mod ? 0 : -1;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 14:02:06 +0000