diff options
Diffstat (limited to 'tcg/tcg.c')
| -rw-r--r-- | tcg/tcg.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c index 3fcd0d9f32..a0628fe424 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -3033,10 +3033,6 @@ void tcg_op_remove(TCGContext *s, TCGOp *op) QTAILQ_REMOVE(&s->ops, op, link); QTAILQ_INSERT_TAIL(&s->free_ops, op, link); s->nb_ops--; - -#ifdef CONFIG_PROFILER - qatomic_set(&s->prof.del_op_count, s->prof.del_op_count + 1); -#endif } void tcg_remove_ops_after(TCGOp *op) @@ -5906,143 +5902,16 @@ static void tcg_out_st_helper_args(TCGContext *s, const TCGLabelQemuLdst *ldst, tcg_out_helper_load_common_args(s, ldst, parm, info, next_arg); } -#ifdef CONFIG_PROFILER - -/* avoid copy/paste errors */ -#define PROF_ADD(to, from, field) \ - do { \ - (to)->field += qatomic_read(&((from)->field)); \ - } while (0) - -#define PROF_MAX(to, from, field) \ - do { \ - typeof((from)->field) val__ = qatomic_read(&((from)->field)); \ - if (val__ > (to)->field) { \ - (to)->field = val__; \ - } \ - } while (0) - -/* Pass in a zero'ed @prof */ -static inline -void tcg_profile_snapshot(TCGProfile *prof, bool counters, bool table) -{ - unsigned int n_ctxs = qatomic_read(&tcg_cur_ctxs); - unsigned int i; - - for (i = 0; i < n_ctxs; i++) { - TCGContext *s = qatomic_read(&tcg_ctxs[i]); - 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); - PROF_MAX(prof, orig, op_count_max); - PROF_ADD(prof, orig, temp_count); - PROF_MAX(prof, orig, temp_count_max); - PROF_ADD(prof, orig, del_op_count); - PROF_ADD(prof, orig, code_in_len); - PROF_ADD(prof, orig, code_out_len); - PROF_ADD(prof, orig, search_out_len); - PROF_ADD(prof, orig, interm_time); - PROF_ADD(prof, orig, code_time); - PROF_ADD(prof, orig, la_time); - PROF_ADD(prof, orig, opt_time); - PROF_ADD(prof, orig, restore_count); - PROF_ADD(prof, orig, restore_time); - } - if (table) { - int i; - - for (i = 0; i < NB_OPS; i++) { - PROF_ADD(prof, orig, table_op_count[i]); - } - } - } -} - -#undef PROF_ADD -#undef PROF_MAX - -static void tcg_profile_snapshot_counters(TCGProfile *prof) -{ - tcg_profile_snapshot(prof, true, false); -} - -static void tcg_profile_snapshot_table(TCGProfile *prof) -{ - tcg_profile_snapshot(prof, false, true); -} - -void tcg_dump_op_count(GString *buf) -{ - TCGProfile prof = {}; - int i; - - tcg_profile_snapshot_table(&prof); - for (i = 0; i < NB_OPS; i++) { - g_string_append_printf(buf, "%s %" PRId64 "\n", tcg_op_defs[i].name, - prof.table_op_count[i]); - } -} - -int64_t tcg_cpu_exec_time(void) -{ - unsigned int n_ctxs = qatomic_read(&tcg_cur_ctxs); - unsigned int i; - int64_t ret = 0; - - for (i = 0; i < n_ctxs; i++) { - const TCGContext *s = qatomic_read(&tcg_ctxs[i]); - const TCGProfile *prof = &s->prof; - - ret += qatomic_read(&prof->cpu_exec_time); - } - return ret; -} -#else void tcg_dump_op_count(GString *buf) { g_string_append_printf(buf, "[TCG profiler not compiled]\n"); } -int64_t tcg_cpu_exec_time(void) -{ - error_report("%s: TCG profiler not compiled", __func__); - exit(EXIT_FAILURE); -} -#endif - - int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start) { -#ifdef CONFIG_PROFILER - TCGProfile *prof = &s->prof; -#endif int i, start_words, num_insns; TCGOp *op; -#ifdef CONFIG_PROFILER - { - int n = 0; - - QTAILQ_FOREACH(op, &s->ops, link) { - n++; - } - qatomic_set(&prof->op_count, prof->op_count + n); - if (n > prof->op_count_max) { - qatomic_set(&prof->op_count_max, n); - } - - n = s->nb_temps; - qatomic_set(&prof->temp_count, prof->temp_count + n); - if (n > prof->temp_count_max) { - qatomic_set(&prof->temp_count_max, n); - } - } -#endif - if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP) && qemu_log_in_addr_range(pc_start))) { FILE *logfile = qemu_log_trylock(); @@ -6071,17 +5940,8 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start) } #endif -#ifdef CONFIG_PROFILER - qatomic_set(&prof->opt_time, prof->opt_time - profile_getclock()); -#endif - tcg_optimize(s); -#ifdef CONFIG_PROFILER - qatomic_set(&prof->opt_time, prof->opt_time + profile_getclock()); - qatomic_set(&prof->la_time, prof->la_time - profile_getclock()); -#endif - reachable_code_pass(s); liveness_pass_0(s); liveness_pass_1(s); @@ -6105,10 +5965,6 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start) } } -#ifdef CONFIG_PROFILER - qatomic_set(&prof->la_time, prof->la_time + profile_getclock()); -#endif - if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT) && qemu_log_in_addr_range(pc_start))) { FILE *logfile = qemu_log_trylock(); @@ -6151,10 +6007,6 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start) QTAILQ_FOREACH(op, &s->ops, link) { TCGOpcode opc = op->opc; -#ifdef CONFIG_PROFILER - qatomic_set(&prof->table_op_count[opc], prof->table_op_count[opc] + 1); -#endif - switch (opc) { case INDEX_op_mov_i32: case INDEX_op_mov_i64: @@ -6249,76 +6101,10 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start) return tcg_current_code_size(s); } -#ifdef CONFIG_PROFILER -void tcg_dump_info(GString *buf) -{ - TCGProfile prof = {}; - const TCGProfile *s; - int64_t tb_count; - int64_t tb_div_count; - int64_t tot; - - tcg_profile_snapshot_counters(&prof); - s = &prof; - tb_count = s->tb_count; - tb_div_count = tb_count ? tb_count : 1; - tot = s->interm_time + s->code_time; - - g_string_append_printf(buf, "JIT cycles %" PRId64 - " (%0.3f s at 2.4 GHz)\n", - tot, tot / 2.4e9); - g_string_append_printf(buf, "translated TBs %" PRId64 - " (aborted=%" PRId64 " %0.1f%%)\n", - tb_count, s->tb_count1 - tb_count, - (double)(s->tb_count1 - s->tb_count) - / (s->tb_count1 ? s->tb_count1 : 1) * 100.0); - g_string_append_printf(buf, "avg ops/TB %0.1f max=%d\n", - (double)s->op_count / tb_div_count, s->op_count_max); - g_string_append_printf(buf, "deleted ops/TB %0.2f\n", - (double)s->del_op_count / tb_div_count); - g_string_append_printf(buf, "avg temps/TB %0.2f max=%d\n", - (double)s->temp_count / tb_div_count, - s->temp_count_max); - g_string_append_printf(buf, "avg host code/TB %0.1f\n", - (double)s->code_out_len / tb_div_count); - g_string_append_printf(buf, "avg search data/TB %0.1f\n", - (double)s->search_out_len / tb_div_count); - - g_string_append_printf(buf, "cycles/op %0.1f\n", - s->op_count ? (double)tot / s->op_count : 0); - g_string_append_printf(buf, "cycles/in byte %0.1f\n", - s->code_in_len ? (double)tot / s->code_in_len : 0); - g_string_append_printf(buf, "cycles/out byte %0.1f\n", - s->code_out_len ? (double)tot / s->code_out_len : 0); - g_string_append_printf(buf, "cycles/search byte %0.1f\n", - s->search_out_len ? - (double)tot / s->search_out_len : 0); - if (tot == 0) { - tot = 1; - } - g_string_append_printf(buf, " gen_interm time %0.1f%%\n", - (double)s->interm_time / tot * 100.0); - g_string_append_printf(buf, " gen_code time %0.1f%%\n", - (double)s->code_time / tot * 100.0); - g_string_append_printf(buf, "optim./code time %0.1f%%\n", - (double)s->opt_time / (s->code_time ? - s->code_time : 1) - * 100.0); - g_string_append_printf(buf, "liveness/code time %0.1f%%\n", - (double)s->la_time / (s->code_time ? - s->code_time : 1) * 100.0); - g_string_append_printf(buf, "cpu_restore count %" PRId64 "\n", - s->restore_count); - g_string_append_printf(buf, " avg cycles %0.1f\n", - s->restore_count ? - (double)s->restore_time / s->restore_count : 0); -} -#else void tcg_dump_info(GString *buf) { g_string_append_printf(buf, "[TCG profiler not compiled]\n"); } -#endif #ifdef ELF_HOST_MACHINE /* In order to use this feature, the backend needs to do three things: |