cpus: Trace cpu_exec_start() and cpu_exec_end() calls

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/cpu-common.c b/cpu-common.c
index 0eb5c7b8f247d71f78e339cd2c94a8a7a7862bd0..988d057d844e40a9a86ae15234b84f9ec4e96599 100644 (file)
--- a/cpu-common.c
+++ b/cpu-common.c
@@ -249,6 +249,8 @@ void end_exclusive(void)
 /* Wait for exclusive ops to finish, and begin cpu execution.  */
 void cpu_exec_start(CPUState *cpu)
 {
+    trace_cpu_exec_start(cpu->cpu_index);
+
     qatomic_set(&cpu->running, true);
 
     /* Write cpu->running before reading pending_cpus.  */
@@ -319,6 +321,7 @@ void cpu_exec_end(CPUState *cpu)
             }
         }
     }
+    trace_cpu_exec_end(cpu->cpu_index);
 }
 
 void async_safe_run_on_cpu(CPUState *cpu, run_on_cpu_func func,

diff --git a/trace-events b/trace-events
index 3ec8a6c7202296d093eddc948860ba6f1bd522fe..faeba6242fa4fec839f79e54335d3e66b69dea23 100644 (file)
--- a/trace-events
+++ b/trace-events
@@ -29,6 +29,8 @@
 breakpoint_insert(int cpu_index, uint64_t pc, int flags) "cpu=%d pc=0x%" PRIx64 " flags=0x%x"
 breakpoint_remove(int cpu_index, uint64_t pc, int flags) "cpu=%d pc=0x%" PRIx64 " flags=0x%x"
 breakpoint_singlestep(int cpu_index, int enabled) "cpu=%d enable=%d"
+cpu_exec_start(int cpu_index) "cpu=%d"
+cpu_exec_end(int cpu_index) "cpu=%d"
 
 # job.c
 job_state_transition(void *job,  int ret, const char *legal, const char *s0, const char *s1) "job %p (ret: %d) attempting %s transition (%s-->%s)"