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[45.79.221.244]) by smtp.gmail.com with ESMTPSA id r193sm976784ywe.8.2019.08.29.23.24.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Aug 2019 23:24:42 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin , Jiri Olsa , Namhyung Kim , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mike Leach , Robert Walker , Adrian Hunter Subject: [PATCH v1 0/3] perf cs-etm: Add support for callchain Date: Fri, 30 Aug 2019 14:24:18 +0800 Message-Id: <20190830062421.31275-1-leo.yan@linaro.org> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190829_232445_975645_10B83044 X-CRM114-Status: UNSURE ( 7.23 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Leo Yan MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch seris adds support for instruction sample's callchain. Patch 01 is to refactor the instruction size calculation; patch 02 is to add thread stack and callchain support; patch 03 is a minor fixing for instruction sample generation thus the instruction sample can be alignment with the callchain generation. Before: # perf script --itrace=g16l64i100 main 1579 100 instructions: ffff0000102137f0 group_sched_in+0xb0 ([kernel.kallsyms]) main 1579 100 instructions: ffff000010213b78 flexible_sched_in+0xf0 ([kernel.kallsyms]) main 1579 100 instructions: ffff0000102135ac event_sched_in.isra.57+0x74 ([kernel.kallsyms]) main 1579 100 instructions: ffff000010219344 perf_swevent_add+0x6c ([kernel.kallsyms]) main 1579 100 instructions: ffff000010214854 perf_event_update_userpage+0x4c ([kernel.kallsyms]) [...] After: # perf script --itrace=g16l64i100 main 1579 100 instructions: ffff0000102137f0 group_sched_in+0xb0 ([kernel.kallsyms]) main 1579 100 instructions: ffff000010213b78 flexible_sched_in+0xf0 ([kernel.kallsyms]) ffff00001020c0b4 visit_groups_merge+0x12c ([kernel.kallsyms]) main 1579 100 instructions: ffff0000102135ac event_sched_in.isra.57+0x74 ([kernel.kallsyms]) ffff0000102137a0 group_sched_in+0x60 ([kernel.kallsyms]) ffff000010213b84 flexible_sched_in+0xfc ([kernel.kallsyms]) ffff00001020c0b4 visit_groups_merge+0x12c ([kernel.kallsyms]) main 1579 100 instructions: ffff000010219344 perf_swevent_add+0x6c ([kernel.kallsyms]) ffff0000102135f4 event_sched_in.isra.57+0xbc ([kernel.kallsyms]) ffff0000102137a0 group_sched_in+0x60 ([kernel.kallsyms]) ffff000010213b84 flexible_sched_in+0xfc ([kernel.kallsyms]) ffff00001020c0b4 visit_groups_merge+0x12c ([kernel.kallsyms]) main 1579 100 instructions: ffff000010214854 perf_event_update_userpage+0x4c ([kernel.kallsyms]) ffff000010219360 perf_swevent_add+0x88 ([kernel.kallsyms]) ffff0000102135f4 event_sched_in.isra.57+0xbc ([kernel.kallsyms]) ffff0000102137a0 group_sched_in+0x60 ([kernel.kallsyms]) ffff000010213b84 flexible_sched_in+0xfc ([kernel.kallsyms]) ffff00001020c0b4 visit_groups_merge+0x12c ([kernel.kallsyms]) [...] Leo Yan (3): perf cs-etm: Refactor instruction size handling perf cs-etm: Add callchain to instruction sample perf cs-etm: Correct the packet usage for instruction sample tools/perf/util/cs-etm.c | 122 +++++++++++++++++++++++++++++++++------ 1 file changed, 105 insertions(+), 17 deletions(-) -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel