diff options
-rw-r--r-- | cpus.c | 3 | ||||
-rw-r--r-- | include/qemu/timer.h | 1 | ||||
-rw-r--r-- | monitor.c | 13 | ||||
-rw-r--r-- | tcg/tcg.c | 23 | ||||
-rw-r--r-- | tcg/tcg.h | 2 |
5 files changed, 37 insertions, 5 deletions
@@ -1425,7 +1425,8 @@ static int tcg_cpu_exec(CPUState *cpu) ret = cpu_exec(cpu); cpu_exec_end(cpu); #ifdef CONFIG_PROFILER - tcg_time += profile_getclock() - ti; + atomic_set(&tcg_ctx->prof.cpu_exec_time, + tcg_ctx->prof.cpu_exec_time + profile_getclock() - ti); #endif return ret; } diff --git a/include/qemu/timer.h b/include/qemu/timer.h index a005ed2..dfecd03 100644 --- a/include/qemu/timer.h +++ b/include/qemu/timer.h @@ -1046,7 +1046,6 @@ static inline int64_t profile_getclock(void) return get_clock(); } -extern int64_t tcg_time; extern int64_t dev_time; #endif @@ -83,6 +83,7 @@ #include "sysemu/cpus.h" #include "sysemu/iothread.h" #include "qemu/cutils.h" +#include "tcg/tcg.h" #if defined(TARGET_S390X) #include "hw/s390x/storage-keys.h" @@ -1966,16 +1967,22 @@ static void hmp_info_numa(Monitor *mon, const QDict *qdict) #ifdef CONFIG_PROFILER -int64_t tcg_time; int64_t dev_time; static void hmp_info_profile(Monitor *mon, const QDict *qdict) { + static int64_t last_cpu_exec_time; + int64_t cpu_exec_time; + int64_t delta; + + cpu_exec_time = tcg_cpu_exec_time(); + delta = cpu_exec_time - last_cpu_exec_time; + monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n", dev_time, dev_time / (double)NANOSECONDS_PER_SECOND); monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n", - tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND); - tcg_time = 0; + delta, delta / (double)NANOSECONDS_PER_SECOND); + last_cpu_exec_time = cpu_exec_time; dev_time = 0; } #else @@ -30,6 +30,7 @@ /* Define to jump the ELF file used to communicate with GDB. */ #undef DEBUG_JIT +#include "qemu/error-report.h" #include "qemu/cutils.h" #include "qemu/host-utils.h" #include "qemu/timer.h" @@ -3361,6 +3362,7 @@ void tcg_profile_snapshot(TCGProfile *prof, bool counters, bool table) const TCGProfile *orig = &s->prof; if (counters) { + PROF_ADD(prof, orig, cpu_exec_time); PROF_ADD(prof, orig, tb_count1); PROF_ADD(prof, orig, tb_count); PROF_ADD(prof, orig, op_count); @@ -3412,11 +3414,32 @@ void tcg_dump_op_count(FILE *f, fprintf_function cpu_fprintf) prof.table_op_count[i]); } } + +int64_t tcg_cpu_exec_time(void) +{ + unsigned int n_ctxs = atomic_read(&n_tcg_ctxs); + unsigned int i; + int64_t ret = 0; + + for (i = 0; i < n_ctxs; i++) { + const TCGContext *s = atomic_read(&tcg_ctxs[i]); + const TCGProfile *prof = &s->prof; + + ret += atomic_read(&prof->cpu_exec_time); + } + return ret; +} #else void tcg_dump_op_count(FILE *f, fprintf_function cpu_fprintf) { cpu_fprintf(f, "[TCG profiler not compiled]\n"); } + +int64_t tcg_cpu_exec_time(void) +{ + error_report("%s: TCG profiler not compiled", __func__); + exit(EXIT_FAILURE); +} #endif @@ -629,6 +629,7 @@ typedef struct TCGOp { QEMU_BUILD_BUG_ON(NB_OPS > (1 << 8)); typedef struct TCGProfile { + int64_t cpu_exec_time; int64_t tb_count1; int64_t tb_count; int64_t op_count; /* total insn count */ @@ -1002,6 +1003,7 @@ int tcg_check_temp_count(void); #define tcg_check_temp_count() 0 #endif +int64_t tcg_cpu_exec_time(void); void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf); void tcg_dump_op_count(FILE *f, fprintf_function cpu_fprintf); |