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authorAurelien Jarno <aurelien@aurel32.net>2012-09-06 16:47:13 +0200
committerAurelien Jarno <aurelien@aurel32.net>2012-09-11 18:05:52 +0200
commitc5cc28ff8feac21b502d64453c9491ff38f5d62d (patch)
treef78e8426b8c157e1c4246ecc9b1cf935978ae2a7 /tcg/tcg.c
parent4b1c11fd20e8901f04a2d9c225cd10fc05a762ff (diff)
downloadqemu-arm-c5cc28ff8feac21b502d64453c9491ff38f5d62d.tar.gz
tcg: improve profiler
Now that there are two passes of optimization (optimize.c, liveness) there is no point of outputing the statistics of the liveness part only. Update the code to take into account both optimizations. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'tcg/tcg.c')
-rw-r--r--tcg/tcg.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 8386b70abd..a4e7f42c78 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -2059,22 +2059,29 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
}
#endif
+#ifdef CONFIG_PROFILER
+ s->opt_time -= profile_getclock();
+#endif
+
#ifdef USE_TCG_OPTIMIZATIONS
gen_opparam_ptr =
tcg_optimize(s, gen_opc_ptr, gen_opparam_buf, tcg_op_defs);
#endif
#ifdef CONFIG_PROFILER
+ s->opt_time += profile_getclock();
s->la_time -= profile_getclock();
#endif
+
tcg_liveness_analysis(s);
+
#ifdef CONFIG_PROFILER
s->la_time += profile_getclock();
#endif
#ifdef DEBUG_DISAS
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT))) {
- qemu_log("OP after liveness analysis:\n");
+ qemu_log("OP after optimization and liveness analysis:\n");
tcg_dump_ops(s);
qemu_log("\n");
}
@@ -2241,6 +2248,9 @@ void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf)
(double)s->interm_time / tot * 100.0);
cpu_fprintf(f, " gen_code time %0.1f%%\n",
(double)s->code_time / tot * 100.0);
+ cpu_fprintf(f, "optim./code time %0.1f%%\n",
+ (double)s->opt_time / (s->code_time ? s->code_time : 1)
+ * 100.0);
cpu_fprintf(f, "liveness/code time %0.1f%%\n",
(double)s->la_time / (s->code_time ? s->code_time : 1) * 100.0);
cpu_fprintf(f, "cpu_restore count %" PRId64 "\n",