From 3c21d7d813c55fa1688c2223fe15a1c5cb14a559 Mon Sep 17 00:00:00 2001 From: Mathieu Poirier Date: Fri, 24 May 2019 11:35:02 -0600 Subject: perf cs-etm: Move thread to traceid_queue The thread field of structure cs_etm_queue is CPU dependent and as such need to be part of the cs_etm_traceid_queue in order to support CPU-wide trace scenarios. Signed-off-by: Mathieu Poirier Tested-by: Leo Yan Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Suzuki Poulouse Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20190524173508.29044-12-mathieu.poirier@linaro.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/cs-etm.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) (limited to 'tools/perf/util') diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 531bbb355ba4..0d51d6d9a594 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -65,6 +65,7 @@ struct cs_etm_traceid_queue { u64 period_instructions; size_t last_branch_pos; union perf_event *event_buf; + struct thread *thread; struct branch_stack *last_branch; struct branch_stack *last_branch_rb; struct cs_etm_packet *prev_packet; @@ -74,7 +75,6 @@ struct cs_etm_traceid_queue { struct cs_etm_queue { struct cs_etm_auxtrace *etm; - struct thread *thread; struct cs_etm_decoder *decoder; struct auxtrace_buffer *buffer; unsigned int queue_nr; @@ -415,7 +415,7 @@ static void cs_etm__free_queue(void *priv) if (!etmq) return; - thread__zput(etmq->thread); + thread__zput(etmq->traceid_queues->thread); cs_etm_decoder__free(etmq->decoder); zfree(&etmq->traceid_queues->event_buf); zfree(&etmq->traceid_queues->last_branch); @@ -503,7 +503,7 @@ static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u64 address, machine = etmq->etm->machine; cpumode = cs_etm__cpu_mode(etmq, address); - thread = etmq->thread; + thread = etmq->traceid_queues->thread; if (!thread) { if (cpumode != PERF_RECORD_MISC_KERNEL) return 0; @@ -819,18 +819,21 @@ cs_etm__get_trace(struct cs_etm_queue *etmq) static void cs_etm__set_pid_tid_cpu(struct cs_etm_auxtrace *etm, struct auxtrace_queue *queue) { + struct cs_etm_traceid_queue *tidq; struct cs_etm_queue *etmq = queue->priv; + tidq = cs_etm__etmq_get_traceid_queue(etmq, CS_ETM_PER_THREAD_TRACEID); + /* CPU-wide tracing isn't supported yet */ if (queue->tid == -1) return; - if ((!etmq->thread) && (etmq->tid != -1)) - etmq->thread = machine__find_thread(etm->machine, -1, + if ((!tidq->thread) && (etmq->tid != -1)) + tidq->thread = machine__find_thread(etm->machine, -1, etmq->tid); - if (etmq->thread) - etmq->pid = etmq->thread->pid_; + if (tidq->thread) + etmq->pid = tidq->thread->pid_; } static int cs_etm__synth_instruction_sample(struct cs_etm_queue *etmq, -- cgit v1.2.3-59-g8ed1b