perf/core refactorings and fixes:
Infrastructure: - Revert "perf tools: Improve setting of gcc debug option", -Og is broken, GCC PR created (Jiri Olsa) - More reference count fixes (Masami Hiramatsu) - Untangle browser setup (--stdio, --tui, etc) from argument checking, prep work to move the usage() code out of tools/perf for use by other tools/ living utilities (Namhyung Kim) - Delete half-processed hist entries when exiting 'perf top' (Namhyung Kim) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJWadUsAAoJENZQFvNTUqpAPkUP/A1JdGbSzgXAUhVO9uGxR8tP fnJlvun8J/qjCzLNfzFBH/UkbHyBjNoXj+dt846HH9chJuzO9zI3Nn5bshcHIpHj 30Qu+K9eMtYchDRZc4wfLgT/ciatfn4bp6RTPZZzVJGKQyY7cxYydeEQnMqCYdJ5 LPkA76qAvESMOj47RrJEFO/L3VJb2cUcaG7WrDiKVLjSw6yWOCTX+ESVHnQX6QPx LeUYNvmUht6ZtVMVG3xVnIMBYmNJDVjPimPtmqNCbn4J+gaAeSInYdVWRGn6BMCY qm9OEZAOcDqRA2uKRQF/ytHalHQngJgoIfo6vI2KkyPcRptqS1LHy03qckYac3FV Rsk+tHWa+tZmDlmnxILl7QSp2rDfc9npD+c9bYRfuScyGwdIaTfWhHCOIoqx6IdO UB8Tlfmhx0m+2ffItKfx+U9UlMBDdkJfN7HMfqNObkSZ/oIRFcktyTOQAwxNkyoG 4iDBGJi4sUb2pKNnSZLytqB/75oQ5b5UiXyBuyaARO9eVIzZcZiK/E9nmZ5K6Evu b2sc1XYZkthaAVxUu7yzI1y12rARQqefZJQJwJrzKRnBrAEYHLQ4H1bO4feh1BgM 7T3+4UZYAFBjio1WLgAlwc3SOYfqjNqAqQjct2RyLSamWJuRS2n9JY8y60Uns68h OqTqhyO9XEMVMGed06Iv =nr7K -----END PGP SIGNATURE----- Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core refactorings and fixes from Arnaldo Carvalho de Melo: Infrastructure changes: - Revert "perf tools: Improve setting of gcc debug option", -Og is broken, GCC PR created (Jiri Olsa) - More reference count fixes (Masami Hiramatsu) - Untangle browser setup (--stdio, --tui, etc) from argument checking, prep work to move the usage() code out of tools/perf for use by other tools/ living utilities (Namhyung Kim) - Delete half-processed hist entries when exiting 'perf top' (Namhyung Kim) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
commit
54c9238cfd
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@ -343,18 +343,19 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
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return ret;
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argc = parse_options(argc, argv, options, annotate_usage, 0);
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if (argc) {
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/*
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* Special case: if there's an argument left then assume that
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* it's a symbol filter:
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*/
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if (argc > 1)
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usage_with_options(annotate_usage, options);
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if (annotate.use_stdio)
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use_browser = 0;
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else if (annotate.use_tui)
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use_browser = 1;
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else if (annotate.use_gtk)
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use_browser = 2;
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annotate.sym_hist_filter = argv[0];
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}
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file.path = input_name;
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setup_browser(true);
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annotate.session = perf_session__new(&file, false, &annotate.tool);
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if (annotate.session == NULL)
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return -1;
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@ -369,16 +370,14 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
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if (setup_sorting() < 0)
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usage_with_options(annotate_usage, options);
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if (argc) {
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/*
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* Special case: if there's an argument left then assume that
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* it's a symbol filter:
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*/
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if (argc > 1)
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usage_with_options(annotate_usage, options);
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if (annotate.use_stdio)
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use_browser = 0;
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else if (annotate.use_tui)
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use_browser = 1;
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else if (annotate.use_gtk)
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use_browser = 2;
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annotate.sym_hist_filter = argv[0];
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}
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setup_browser(true);
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ret = __cmd_annotate(&annotate);
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@ -1351,7 +1351,6 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
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disable_buildid_cache();
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use_browser = 0;
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setup_browser(false);
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if (argc) {
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argc = parse_options(argc, argv, live_options,
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@ -1409,8 +1408,6 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
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err = kvm_events_live_report(kvm);
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out:
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exit_browser(0);
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if (kvm->session)
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perf_session__delete(kvm->session);
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kvm->session = NULL;
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@ -801,6 +801,16 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
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perf_config(report__config, &report);
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argc = parse_options(argc, argv, options, report_usage, 0);
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if (argc) {
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/*
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* Special case: if there's an argument left then assume that
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* it's a symbol filter:
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*/
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if (argc > 1)
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usage_with_options(report_usage, options);
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report.symbol_filter_str = argv[0];
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}
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if (symbol_conf.vmlinux_name &&
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access(symbol_conf.vmlinux_name, R_OK)) {
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@ -946,17 +956,6 @@ repeat:
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if (symbol__init(&session->header.env) < 0)
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goto error;
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if (argc) {
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/*
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* Special case: if there's an argument left then assume that
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* it's a symbol filter:
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*/
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if (argc > 1)
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usage_with_options(report_usage, options);
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report.symbol_filter_str = argv[0];
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}
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sort__setup_elide(stdout);
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ret = __cmd_report(&report);
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@ -964,7 +964,7 @@ static int __cmd_top(struct perf_top *top)
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if (ret)
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goto out_delete;
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if (perf_session__register_idle_thread(top->session) == NULL)
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if (perf_session__register_idle_thread(top->session) < 0)
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goto out_delete;
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machine__synthesize_threads(&top->session->machines.host, &opts->target,
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@ -1279,8 +1279,11 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
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if (target__none(target))
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target->system_wide = true;
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if (perf_evlist__create_maps(top.evlist, target) < 0)
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usage_with_options(top_usage, options);
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if (perf_evlist__create_maps(top.evlist, target) < 0) {
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ui__error("Couldn't create thread/CPU maps: %s\n",
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errno == ENOENT ? "No such process" : strerror_r(errno, errbuf, sizeof(errbuf)));
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goto out_delete_evlist;
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}
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if (!top.evlist->nr_entries &&
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perf_evlist__add_default(top.evlist) < 0) {
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@ -135,8 +135,6 @@ endif
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ifeq ($(DEBUG),0)
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CFLAGS += -O6
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else
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CFLAGS += $(call cc-option,-Og,-O0)
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endif
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ifdef PARSER_DEBUG
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@ -177,22 +177,3 @@ $(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2)))
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endef
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_ge_attempt = $(if $(get-executable),$(get-executable),$(call _gea_err,$(2)))
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_gea_err = $(if $(1),$(error Please set '$(1)' appropriately))
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# try-run
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# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
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# Exit code chooses option. "$$TMP" is can be used as temporary file and
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# is automatically cleaned up.
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try-run = $(shell set -e; \
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TMP="$(TMPOUT).$$$$.tmp"; \
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TMPO="$(TMPOUT).$$$$.o"; \
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if ($(1)) >/dev/null 2>&1; \
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then echo "$(2)"; \
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else echo "$(3)"; \
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fi; \
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rm -f "$$TMP" "$$TMPO")
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# cc-option
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# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
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cc-option = $(call try-run,\
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$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
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@ -270,6 +270,8 @@ static void hists__delete_entry(struct hists *hists, struct hist_entry *he)
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if (sort__need_collapse)
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rb_erase(&he->rb_node_in, &hists->entries_collapsed);
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else
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rb_erase(&he->rb_node_in, hists->entries_in);
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--hists->nr_entries;
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if (!he->filtered)
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@ -1567,11 +1569,33 @@ static int hists_evsel__init(struct perf_evsel *evsel)
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return 0;
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}
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static void hists__delete_remaining_entries(struct rb_root *root)
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{
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struct rb_node *node;
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struct hist_entry *he;
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while (!RB_EMPTY_ROOT(root)) {
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node = rb_first(root);
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rb_erase(node, root);
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he = rb_entry(node, struct hist_entry, rb_node_in);
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hist_entry__delete(he);
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}
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}
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static void hists__delete_all_entries(struct hists *hists)
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{
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hists__delete_entries(hists);
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hists__delete_remaining_entries(&hists->entries_in_array[0]);
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hists__delete_remaining_entries(&hists->entries_in_array[1]);
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hists__delete_remaining_entries(&hists->entries_collapsed);
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}
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static void hists_evsel__exit(struct perf_evsel *evsel)
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{
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struct hists *hists = evsel__hists(evsel);
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hists__delete_entries(hists);
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hists__delete_all_entries(hists);
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}
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/*
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@ -766,7 +766,6 @@ int usage_with_options_internal(const char * const *usagestr,
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void usage_with_options(const char * const *usagestr,
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const struct option *opts)
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{
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exit_browser(false);
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usage_with_options_internal(usagestr, opts, 0, NULL);
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exit(129);
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}
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@ -776,8 +775,6 @@ void usage_with_options_msg(const char * const *usagestr,
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{
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va_list ap;
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exit_browser(false);
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va_start(ap, fmt);
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strbuf_addv(&error_buf, fmt, ap);
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va_end(ap);
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@ -1311,17 +1311,20 @@ struct thread *perf_session__findnew(struct perf_session *session, pid_t pid)
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return machine__findnew_thread(&session->machines.host, -1, pid);
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}
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struct thread *perf_session__register_idle_thread(struct perf_session *session)
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int perf_session__register_idle_thread(struct perf_session *session)
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{
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struct thread *thread;
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int err = 0;
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thread = machine__findnew_thread(&session->machines.host, 0, 0);
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if (thread == NULL || thread__set_comm(thread, "swapper", 0)) {
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pr_err("problem inserting idle task.\n");
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thread = NULL;
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err = -1;
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}
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return thread;
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/* machine__findnew_thread() got the thread, so put it */
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thread__put(thread);
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return err;
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}
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static void perf_session__warn_about_errors(const struct perf_session *session)
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@ -1676,7 +1679,7 @@ int perf_session__process_events(struct perf_session *session)
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u64 size = perf_data_file__size(session->file);
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int err;
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if (perf_session__register_idle_thread(session) == NULL)
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if (perf_session__register_idle_thread(session) < 0)
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return -ENOMEM;
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if (!perf_data_file__is_pipe(session->file))
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@ -89,7 +89,7 @@ struct machine *perf_session__findnew_machine(struct perf_session *session, pid_
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}
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struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
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struct thread *perf_session__register_idle_thread(struct perf_session *session);
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int perf_session__register_idle_thread(struct perf_session *session);
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size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
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@ -1026,8 +1026,8 @@ int dso__load_sym(struct dso *dso, struct map *map,
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curr_dso->long_name_len = dso->long_name_len;
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curr_map = map__new2(start, curr_dso,
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map->type);
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dso__put(curr_dso);
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if (curr_map == NULL) {
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dso__put(curr_dso);
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goto out_elf_end;
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}
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if (adjust_kernel_syms) {
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@ -1042,9 +1042,14 @@ int dso__load_sym(struct dso *dso, struct map *map,
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}
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curr_dso->symtab_type = dso->symtab_type;
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map_groups__insert(kmaps, curr_map);
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/*
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* Add it before we drop the referece to curr_map,
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* i.e. while we still are sure to have a reference
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* to this DSO via curr_map->dso.
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*/
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dsos__add(&map->groups->machine->dsos, curr_dso);
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/* kmaps already got it */
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map__put(curr_map);
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dsos__add(&map->groups->machine->dsos, curr_dso);
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dso__set_loaded(curr_dso, map->type);
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} else
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curr_dso = curr_map->dso;
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@ -304,6 +304,7 @@ out:
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out_free_threads:
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zfree(&threads);
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strlist__delete(slist);
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goto out;
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}
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Loading…
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