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SubjectRe: [PATCH 22/38] perf callchain: Use session__find_addr_location() and friends
Em Tue, Mar 03, 2015 at 12:07:34PM +0900, Namhyung Kim escreveu:
> Pass session struct to callchain resolve routines and find correct
> thread/map/symbol using proper functions.

For instance, in this case it looks like a case to pass a 'struct
machines' and not a perf_session one.

- Arnaldo

> Cc: Frederic Weisbecker <fweisbec@gmail.com>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> ---
> tools/perf/builtin-script.c | 4 +--
> tools/perf/tests/dwarf-unwind.c | 2 +-
> tools/perf/util/callchain.c | 6 ++--
> tools/perf/util/callchain.h | 4 ++-
> tools/perf/util/hist.c | 5 +--
> tools/perf/util/machine.c | 41 +++++++++++++---------
> tools/perf/util/machine.h | 1 +
> .../util/scripting-engines/trace-event-python.c | 27 +++++++-------
> tools/perf/util/session.c | 6 ++--
> tools/perf/util/session.h | 2 +-
> tools/perf/util/unwind-libdw.c | 14 ++++----
> tools/perf/util/unwind-libdw.h | 1 +
> tools/perf/util/unwind-libunwind.c | 32 +++++++++--------
> tools/perf/util/unwind.h | 3 +-
> 14 files changed, 86 insertions(+), 62 deletions(-)
>
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
> index 65b3a07be2bf..90a401a52868 100644
> --- a/tools/perf/builtin-script.c
> +++ b/tools/perf/builtin-script.c
> @@ -429,7 +429,7 @@ static void print_sample_bts(union perf_event *event,
> print_opts &= ~PRINT_IP_OPT_SRCLINE;
> }
> }
> - perf_evsel__print_ip(evsel, sample, al, print_opts,
> + perf_evsel__print_ip(evsel, sample, session, al, print_opts,
> PERF_MAX_STACK_DEPTH);
> }
>
> @@ -483,7 +483,7 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
> else
> printf("\n");
>
> - perf_evsel__print_ip(evsel, sample, al,
> + perf_evsel__print_ip(evsel, sample, session, al,
> output[attr->type].print_ip_opts,
> PERF_MAX_STACK_DEPTH);
> }
> diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c
> index 7e04feb431cb..241270374e93 100644
> --- a/tools/perf/tests/dwarf-unwind.c
> +++ b/tools/perf/tests/dwarf-unwind.c
> @@ -75,7 +75,7 @@ static int unwind_thread(struct thread *thread)
> goto out;
> }
>
> - err = unwind__get_entries(unwind_entry, &cnt, thread,
> + err = unwind__get_entries(unwind_entry, &cnt, thread, NULL,
> &sample, MAX_STACK);
> if (err)
> pr_debug("unwind failed\n");
> diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
> index 9f643ee77001..f95b27037dc8 100644
> --- a/tools/perf/util/callchain.c
> +++ b/tools/perf/util/callchain.c
> @@ -757,7 +757,9 @@ int callchain_cursor_append(struct callchain_cursor *cursor,
> return 0;
> }
>
> -int sample__resolve_callchain(struct perf_sample *sample, struct symbol **parent,
> +int sample__resolve_callchain(struct perf_sample *sample,
> + struct perf_session *session,
> + struct symbol **parent,
> struct perf_evsel *evsel, struct addr_location *al,
> int max_stack)
> {
> @@ -767,7 +769,7 @@ int sample__resolve_callchain(struct perf_sample *sample, struct symbol **parent
> if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain ||
> sort__has_parent) {
> return thread__resolve_callchain(al->thread, evsel, sample,
> - parent, al, max_stack);
> + session, parent, al, max_stack);
> }
> return 0;
> }
> diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
> index 6033a0a212ca..ca9048f84cb5 100644
> --- a/tools/perf/util/callchain.h
> +++ b/tools/perf/util/callchain.h
> @@ -165,7 +165,9 @@ struct hist_entry;
> int record_parse_callchain_opt(const struct option *opt, const char *arg, int unset);
> int record_callchain_opt(const struct option *opt, const char *arg, int unset);
>
> -int sample__resolve_callchain(struct perf_sample *sample, struct symbol **parent,
> +int sample__resolve_callchain(struct perf_sample *sample,
> + struct perf_session *session,
> + struct symbol **parent,
> struct perf_evsel *evsel, struct addr_location *al,
> int max_stack);
> int hist_entry__append_callchain(struct hist_entry *he, struct perf_sample *sample);
> diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
> index 0d189ae76922..dbe7f3744bf1 100644
> --- a/tools/perf/util/hist.c
> +++ b/tools/perf/util/hist.c
> @@ -861,8 +861,9 @@ int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
> {
> int err, err2;
>
> - err = sample__resolve_callchain(iter->sample, &iter->parent,
> - iter->evsel, al, max_stack_depth);
> + err = sample__resolve_callchain(iter->sample, iter->session,
> + &iter->parent, iter->evsel, al,
> + max_stack_depth);
> if (err)
> return err;
>
> diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> index 4743718d4bf1..63d860dca74b 100644
> --- a/tools/perf/util/machine.c
> +++ b/tools/perf/util/machine.c
> @@ -1540,10 +1540,11 @@ struct mem_info *sample__resolve_mem(struct perf_sample *sample,
> }
>
> static int add_callchain_ip(struct thread *thread,
> + struct perf_session *session,
> struct symbol **parent,
> struct addr_location *root_al,
> bool branch_history,
> - u64 ip)
> + u64 ip, u64 timestamp)
> {
> struct addr_location al;
>
> @@ -1551,8 +1552,9 @@ static int add_callchain_ip(struct thread *thread,
> al.sym = NULL;
>
> if (branch_history)
> - thread__find_cpumode_addr_location(thread, MAP__FUNCTION,
> - ip, &al);
> + session__find_cpumode_addr_location(session, thread,
> + MAP__FUNCTION, ip, &al,
> + timestamp);
> else {
> u8 cpumode = PERF_RECORD_MISC_USER;
>
> @@ -1579,8 +1581,8 @@ static int add_callchain_ip(struct thread *thread,
> }
> return 0;
> }
> - thread__find_addr_location(thread, cpumode, MAP__FUNCTION,
> - ip, &al);
> + session__find_addr_location(session,thread, cpumode,
> + MAP__FUNCTION, ip, &al, timestamp);
> }
>
> if (al.sym != NULL) {
> @@ -1670,6 +1672,7 @@ static int remove_loops(struct branch_entry *l, int nr)
> */
> static int resolve_lbr_callchain_sample(struct thread *thread,
> struct perf_sample *sample,
> + struct perf_session *session,
> struct symbol **parent,
> struct addr_location *root_al,
> int max_stack)
> @@ -1722,7 +1725,8 @@ static int resolve_lbr_callchain_sample(struct thread *thread,
> ip = lbr_stack->entries[0].to;
> }
>
> - err = add_callchain_ip(thread, parent, root_al, false, ip);
> + err = add_callchain_ip(thread, session, parent, root_al,
> + false, ip, sample->time);
> if (err)
> return (err < 0) ? err : 0;
> }
> @@ -1735,6 +1739,7 @@ static int resolve_lbr_callchain_sample(struct thread *thread,
> static int thread__resolve_callchain_sample(struct thread *thread,
> struct perf_evsel *evsel,
> struct perf_sample *sample,
> + struct perf_session *session,
> struct symbol **parent,
> struct addr_location *root_al,
> int max_stack)
> @@ -1742,6 +1747,7 @@ static int thread__resolve_callchain_sample(struct thread *thread,
> struct branch_stack *branch = sample->branch_stack;
> struct ip_callchain *chain = sample->callchain;
> int chain_nr = min(max_stack, (int)chain->nr);
> + u64 timestamp = sample->time;
> int i, j, err;
> int skip_idx = -1;
> int first_call = 0;
> @@ -1749,8 +1755,8 @@ static int thread__resolve_callchain_sample(struct thread *thread,
> callchain_cursor_reset(&callchain_cursor);
>
> if (has_branch_callstack(evsel)) {
> - err = resolve_lbr_callchain_sample(thread, sample, parent,
> - root_al, max_stack);
> + err = resolve_lbr_callchain_sample(thread, sample, session,
> + parent, root_al, max_stack);
> if (err)
> return (err < 0) ? err : 0;
> }
> @@ -1806,11 +1812,12 @@ static int thread__resolve_callchain_sample(struct thread *thread,
> nr = remove_loops(be, nr);
>
> for (i = 0; i < nr; i++) {
> - err = add_callchain_ip(thread, parent, root_al,
> - true, be[i].to);
> + err = add_callchain_ip(thread, session, parent, root_al,
> + true, be[i].to, timestamp);
> if (!err)
> - err = add_callchain_ip(thread, parent, root_al,
> - true, be[i].from);
> + err = add_callchain_ip(thread, session, parent,
> + root_al, true,
> + be[i].from, timestamp);
> if (err == -EINVAL)
> break;
> if (err)
> @@ -1839,7 +1846,8 @@ static int thread__resolve_callchain_sample(struct thread *thread,
> #endif
> ip = chain->ips[j];
>
> - err = add_callchain_ip(thread, parent, root_al, false, ip);
> + err = add_callchain_ip(thread, session, parent, root_al, false,
> + ip, timestamp);
> if (err)
> return (err < 0) ? err : 0;
> }
> @@ -1857,12 +1865,13 @@ static int unwind_entry(struct unwind_entry *entry, void *arg)
> int thread__resolve_callchain(struct thread *thread,
> struct perf_evsel *evsel,
> struct perf_sample *sample,
> + struct perf_session *session,
> struct symbol **parent,
> struct addr_location *root_al,
> int max_stack)
> {
> - int ret = thread__resolve_callchain_sample(thread, evsel,
> - sample, parent,
> + int ret = thread__resolve_callchain_sample(thread, evsel, sample,
> + session, parent,
> root_al, max_stack);
> if (ret)
> return ret;
> @@ -1878,7 +1887,7 @@ int thread__resolve_callchain(struct thread *thread,
> return 0;
>
> return unwind__get_entries(unwind_entry, &callchain_cursor,
> - thread, sample, max_stack);
> + thread, session, sample, max_stack);
>
> }
>
> diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
> index 45aee0c329ef..38ead24f0f47 100644
> --- a/tools/perf/util/machine.h
> +++ b/tools/perf/util/machine.h
> @@ -129,6 +129,7 @@ struct mem_info *sample__resolve_mem(struct perf_sample *sample,
> int thread__resolve_callchain(struct thread *thread,
> struct perf_evsel *evsel,
> struct perf_sample *sample,
> + struct perf_session *session,
> struct symbol **parent,
> struct addr_location *root_al,
> int max_stack);
> diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
> index 802def46af7b..e8c2896055c5 100644
> --- a/tools/perf/util/scripting-engines/trace-event-python.c
> +++ b/tools/perf/util/scripting-engines/trace-event-python.c
> @@ -298,9 +298,10 @@ static PyObject *get_field_numeric_entry(struct event_format *event,
> }
>
>
> -static PyObject *python_process_callchain(struct perf_sample *sample,
> - struct perf_evsel *evsel,
> - struct addr_location *al)
> +static PyObject *python_process_callchain(struct perf_session *session,
> + struct perf_sample *sample,
> + struct perf_evsel *evsel,
> + struct addr_location *al)
> {
> PyObject *pylist;
>
> @@ -311,9 +312,8 @@ static PyObject *python_process_callchain(struct perf_sample *sample,
> if (!symbol_conf.use_callchain || !sample->callchain)
> goto exit;
>
> - if (thread__resolve_callchain(al->thread, evsel,
> - sample, NULL, NULL,
> - PERF_MAX_STACK_DEPTH) != 0) {
> + if (thread__resolve_callchain(al->thread, evsel, sample, session,
> + NULL, NULL, PERF_MAX_STACK_DEPTH) != 0) {
> pr_err("Failed to resolve callchain. Skipping\n");
> goto exit;
> }
> @@ -374,7 +374,8 @@ static PyObject *python_process_callchain(struct perf_sample *sample,
> }
>
>
> -static void python_process_tracepoint(struct perf_sample *sample,
> +static void python_process_tracepoint(struct perf_session *session,
> + struct perf_sample *sample,
> struct perf_evsel *evsel,
> struct thread *thread,
> struct addr_location *al)
> @@ -424,7 +425,7 @@ static void python_process_tracepoint(struct perf_sample *sample,
> PyTuple_SetItem(t, n++, context);
>
> /* ip unwinding */
> - callchain = python_process_callchain(sample, evsel, al);
> + callchain = python_process_callchain(session, sample, evsel, al);
>
> if (handler) {
> PyTuple_SetItem(t, n++, PyInt_FromLong(cpu));
> @@ -759,7 +760,8 @@ static int python_process_call_return(struct call_return *cr, void *data)
> return db_export__call_return(dbe, cr);
> }
>
> -static void python_process_general_event(struct perf_sample *sample,
> +static void python_process_general_event(struct perf_session *session,
> + struct perf_sample *sample,
> struct perf_evsel *evsel,
> struct thread *thread,
> struct addr_location *al)
> @@ -822,7 +824,7 @@ static void python_process_general_event(struct perf_sample *sample,
> }
>
> /* ip unwinding */
> - callchain = python_process_callchain(sample, evsel, al);
> + callchain = python_process_callchain(session, sample, evsel, al);
> pydict_set_item_string_decref(dict, "callchain", callchain);
>
> PyTuple_SetItem(t, n++, dict);
> @@ -846,7 +848,7 @@ static void python_process_event(union perf_event *event,
>
> switch (evsel->attr.type) {
> case PERF_TYPE_TRACEPOINT:
> - python_process_tracepoint(sample, evsel, thread, al);
> + python_process_tracepoint(session, sample, evsel, thread, al);
> break;
> /* Reserve for future process_hw/sw/raw APIs */
> default:
> @@ -854,7 +856,8 @@ static void python_process_event(union perf_event *event,
> db_export__sample(&tables->dbe, event, sample, evsel,
> thread, al, session);
> else
> - python_process_general_event(sample, evsel, thread, al);
> + python_process_general_event(session, sample, evsel,
> + thread, al);
> }
> }
>
> diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
> index 46761a39fbae..d89dfa8592a9 100644
> --- a/tools/perf/util/session.c
> +++ b/tools/perf/util/session.c
> @@ -1550,7 +1550,7 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
> }
>
> void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
> - struct addr_location *al,
> + struct perf_session *session, struct addr_location *al,
> unsigned int print_opts, unsigned int stack_depth)
> {
> struct callchain_cursor_node *node;
> @@ -1565,8 +1565,8 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
> if (symbol_conf.use_callchain && sample->callchain) {
> struct addr_location node_al;
>
> - if (thread__resolve_callchain(al->thread, evsel,
> - sample, NULL, NULL,
> + if (thread__resolve_callchain(al->thread, evsel, sample,
> + session, NULL, NULL,
> PERF_MAX_STACK_DEPTH) != 0) {
> if (verbose)
> error("Failed to resolve callchain. Skipping\n");
> diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
> index dbd21f8e7cf1..4d264fef8968 100644
> --- a/tools/perf/util/session.h
> +++ b/tools/perf/util/session.h
> @@ -102,7 +102,7 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
> unsigned int type);
>
> void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
> - struct addr_location *al,
> + struct perf_session *session, struct addr_location *al,
> unsigned int print_opts, unsigned int stack_depth);
>
> int perf_session__cpu_bitmap(struct perf_session *session,
> diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
> index 2dcfe9a7c8d0..ebaf51b58c92 100644
> --- a/tools/perf/util/unwind-libdw.c
> +++ b/tools/perf/util/unwind-libdw.c
> @@ -8,6 +8,7 @@
> #include "unwind-libdw.h"
> #include "machine.h"
> #include "thread.h"
> +#include "session.h"
> #include <linux/types.h>
> #include "event.h"
> #include "perf_regs.h"
> @@ -26,10 +27,9 @@ static int __report_module(struct addr_location *al, u64 ip,
> Dwfl_Module *mod;
> struct dso *dso = NULL;
>
> - thread__find_addr_location(ui->thread,
> - PERF_RECORD_MISC_USER,
> - MAP__FUNCTION, ip, al);
> -
> + session__find_addr_location(ui->session, ui->thread,
> + PERF_RECORD_MISC_USER, MAP__FUNCTION,
> + ip, al, ui->sample->time);
> if (al->map)
> dso = al->map->dso;
>
> @@ -89,8 +89,8 @@ static int access_dso_mem(struct unwind_info *ui, Dwarf_Addr addr,
> struct addr_location al;
> ssize_t size;
>
> - thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
> - MAP__FUNCTION, addr, &al);
> + session__find_addr_map(ui->session, ui->thread, PERF_RECORD_MISC_USER,
> + MAP__FUNCTION, addr, &al, ui->sample->time);
> if (!al.map) {
> pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
> return -1;
> @@ -165,12 +165,14 @@ frame_callback(Dwfl_Frame *state, void *arg)
>
> int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
> struct thread *thread,
> + struct perf_session *session,
> struct perf_sample *data,
> int max_stack)
> {
> struct unwind_info ui = {
> .sample = data,
> .thread = thread,
> + .session = session,
> .machine = thread->mg->machine,
> .cb = cb,
> .arg = arg,
> diff --git a/tools/perf/util/unwind-libdw.h b/tools/perf/util/unwind-libdw.h
> index 417a1426f3ad..806e522713a2 100644
> --- a/tools/perf/util/unwind-libdw.h
> +++ b/tools/perf/util/unwind-libdw.h
> @@ -11,6 +11,7 @@ bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg);
> struct unwind_info {
> Dwfl *dwfl;
> struct perf_sample *sample;
> + struct perf_session *session;
> struct machine *machine;
> struct thread *thread;
> unwind_entry_cb_t cb;
> diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
> index e3c40a520a25..9ee63179383e 100644
> --- a/tools/perf/util/unwind-libunwind.c
> +++ b/tools/perf/util/unwind-libunwind.c
> @@ -86,6 +86,7 @@ UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug,
>
> struct unwind_info {
> struct perf_sample *sample;
> + struct perf_session *session;
> struct machine *machine;
> struct thread *thread;
> };
> @@ -315,8 +316,8 @@ static struct map *find_map(unw_word_t ip, struct unwind_info *ui)
> {
> struct addr_location al;
>
> - thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
> - MAP__FUNCTION, ip, &al);
> + session__find_addr_map(ui->session, ui->thread, PERF_RECORD_MISC_USER,
> + MAP__FUNCTION, ip, &al, ui->sample->time);
> return al.map;
> }
>
> @@ -406,20 +407,19 @@ get_proc_name(unw_addr_space_t __maybe_unused as,
> static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,
> unw_word_t *data)
> {
> - struct addr_location al;
> + struct map *map;
> ssize_t size;
>
> - thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
> - MAP__FUNCTION, addr, &al);
> - if (!al.map) {
> + map = find_map(addr, ui);
> + if (!map) {
> pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
> return -1;
> }
>
> - if (!al.map->dso)
> + if (!map->dso)
> return -1;
>
> - size = dso__data_read_addr(al.map->dso, al.map, ui->machine,
> + size = dso__data_read_addr(map->dso, map, ui->machine,
> addr, (u8 *) data, sizeof(*data));
>
> return !(size == sizeof(*data));
> @@ -511,14 +511,14 @@ static void put_unwind_info(unw_addr_space_t __maybe_unused as,
> pr_debug("unwind: put_unwind_info called\n");
> }
>
> -static int entry(u64 ip, struct thread *thread,
> - unwind_entry_cb_t cb, void *arg)
> +static int entry(u64 ip, struct thread *thread, struct perf_session *session,
> + u64 timestamp, unwind_entry_cb_t cb, void *arg)
> {
> struct unwind_entry e;
> struct addr_location al;
>
> - thread__find_addr_location(thread, PERF_RECORD_MISC_USER,
> - MAP__FUNCTION, ip, &al);
> + session__find_addr_location(session, thread, PERF_RECORD_MISC_USER,
> + MAP__FUNCTION, ip, &al, timestamp);
>
> e.ip = ip;
> e.map = al.map;
> @@ -620,20 +620,22 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
> unw_word_t ip;
>
> unw_get_reg(&c, UNW_REG_IP, &ip);
> - ret = ip ? entry(ip, ui->thread, cb, arg) : 0;
> + ret = ip ? entry(ip, ui->thread, ui->session,
> + ui->sample->time, cb, arg) : 0;
> }
>
> return ret;
> }
>
> int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
> - struct thread *thread,
> + struct thread *thread, struct perf_session *session,
> struct perf_sample *data, int max_stack)
> {
> u64 ip;
> struct unwind_info ui = {
> .sample = data,
> .thread = thread,
> + .session = session,
> .machine = thread->mg->machine,
> };
> int ret;
> @@ -645,7 +647,7 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
> if (ret)
> return ret;
>
> - ret = entry(ip, thread, cb, arg);
> + ret = entry(ip, thread, session, data->time, cb, arg);
> if (ret)
> return -ENOMEM;
>
> diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h
> index 12790cf94618..c619890e60ad 100644
> --- a/tools/perf/util/unwind.h
> +++ b/tools/perf/util/unwind.h
> @@ -16,7 +16,7 @@ typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
>
> #ifdef HAVE_DWARF_UNWIND_SUPPORT
> int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
> - struct thread *thread,
> + struct thread *thread, struct perf_session *session,
> struct perf_sample *data, int max_stack);
> /* libunwind specific */
> #ifdef HAVE_LIBUNWIND_SUPPORT
> @@ -38,6 +38,7 @@ static inline int
> unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
> void *arg __maybe_unused,
> struct thread *thread __maybe_unused,
> + struct perf_session *session __maybe_unused,
> struct perf_sample *data __maybe_unused,
> int max_stack __maybe_unused)
> {
> --
> 2.2.2


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