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[58.152.48.195]) by smtp.gmail.com with ESMTPSA id c2-20020a62f842000000b0050dc7628160sm3724874pfm.58.2022.05.21.06.04.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 May 2022 06:05:02 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , James Clark , German Gomez , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Adrian Hunter , Ian Rogers , Eelco Chaudron , Stephen Brennan , Tanmay Jagdale , "zengshun . wu" , Al Grant , coresight@lists.linaro.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: Leo Yan Subject: [PATCH v6 1/2] perf scripting python: Expose dso and map information Date: Sat, 21 May 2022 21:04:45 +0800 Message-Id: <20220521130446.4163597-2-leo.yan@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220521130446.4163597-1-leo.yan@linaro.org> References: <20220521130446.4163597-1-leo.yan@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org This change adds dso build_id and corresponding map's start and end address. The info of dso build_id can be used to find dso file path, and we can validate if a branch address falls into the range of map's start and end addresses. In addition, the map's start address can be used as an offset for disassembly. Signed-off-by: Leo Yan Acked-by: Adrian Hunter --- .../scripting-engines/trace-event-python.c | 21 +++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 659eb4e4b34b..adba01b7d9dd 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -755,12 +755,22 @@ static void set_regs_in_dict(PyObject *dict, } static void set_sym_in_dict(PyObject *dict, struct addr_location *al, - const char *dso_field, const char *sym_field, - const char *symoff_field) + const char *dso_field, const char *dso_bid_field, + const char *dso_map_start, const char *dso_map_end, + const char *sym_field, const char *symoff_field) { + char sbuild_id[SBUILD_ID_SIZE]; + if (al->map) { pydict_set_item_string_decref(dict, dso_field, _PyUnicode_FromString(al->map->dso->name)); + build_id__sprintf(&al->map->dso->bid, sbuild_id); + pydict_set_item_string_decref(dict, dso_bid_field, + _PyUnicode_FromString(sbuild_id)); + pydict_set_item_string_decref(dict, dso_map_start, + PyLong_FromUnsignedLong(al->map->start)); + pydict_set_item_string_decref(dict, dso_map_end, + PyLong_FromUnsignedLong(al->map->end)); } if (al->sym) { pydict_set_item_string_decref(dict, sym_field, @@ -840,7 +850,8 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample, (const char *)sample->raw_data, sample->raw_size)); pydict_set_item_string_decref(dict, "comm", _PyUnicode_FromString(thread__comm_str(al->thread))); - set_sym_in_dict(dict, al, "dso", "symbol", "symoff"); + set_sym_in_dict(dict, al, "dso", "dso_bid", "dso_map_start", "dso_map_end", + "symbol", "symoff"); pydict_set_item_string_decref(dict, "callchain", callchain); @@ -856,7 +867,9 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample, if (addr_al) { pydict_set_item_string_decref(dict_sample, "addr_correlates_sym", PyBool_FromLong(1)); - set_sym_in_dict(dict_sample, addr_al, "addr_dso", "addr_symbol", "addr_symoff"); + set_sym_in_dict(dict_sample, addr_al, "addr_dso", "addr_dso_bid", + "addr_dso_map_start", "addr_dso_map_end", + "addr_symbol", "addr_symoff"); } if (sample->flags) -- 2.25.1