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accel/tcg: remove CONFIG_PROFILER
TBStats will be introduced to replace CONFIG_PROFILER totally, here remove all CONFIG_PROFILER related stuffs first. Signed-off-by: Vanderson M. do Rosario <vandersonmr2@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Fei Wu <fei2.wu@intel.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230607122411.3394702-2-fei2.wu@intel.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Fei Wu
Richard Henderson
parent
ea185a557b
commit
1b65b4f54c
13 changed files with 0 additions and 375 deletions
214
tcg/tcg.c
214
tcg/tcg.c
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@ -3033,10 +3033,6 @@ void tcg_op_remove(TCGContext *s, TCGOp *op)
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QTAILQ_REMOVE(&s->ops, op, link);
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QTAILQ_INSERT_TAIL(&s->free_ops, op, link);
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s->nb_ops--;
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#ifdef CONFIG_PROFILER
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qatomic_set(&s->prof.del_op_count, s->prof.del_op_count + 1);
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#endif
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}
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void tcg_remove_ops_after(TCGOp *op)
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@ -5906,143 +5902,16 @@ static void tcg_out_st_helper_args(TCGContext *s, const TCGLabelQemuLdst *ldst,
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tcg_out_helper_load_common_args(s, ldst, parm, info, next_arg);
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}
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#ifdef CONFIG_PROFILER
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/* avoid copy/paste errors */
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#define PROF_ADD(to, from, field) \
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do { \
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(to)->field += qatomic_read(&((from)->field)); \
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} while (0)
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#define PROF_MAX(to, from, field) \
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do { \
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typeof((from)->field) val__ = qatomic_read(&((from)->field)); \
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if (val__ > (to)->field) { \
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(to)->field = val__; \
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} \
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} while (0)
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/* Pass in a zero'ed @prof */
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static inline
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void tcg_profile_snapshot(TCGProfile *prof, bool counters, bool table)
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{
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unsigned int n_ctxs = qatomic_read(&tcg_cur_ctxs);
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unsigned int i;
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for (i = 0; i < n_ctxs; i++) {
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TCGContext *s = qatomic_read(&tcg_ctxs[i]);
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const TCGProfile *orig = &s->prof;
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if (counters) {
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PROF_ADD(prof, orig, cpu_exec_time);
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PROF_ADD(prof, orig, tb_count1);
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PROF_ADD(prof, orig, tb_count);
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PROF_ADD(prof, orig, op_count);
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PROF_MAX(prof, orig, op_count_max);
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PROF_ADD(prof, orig, temp_count);
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PROF_MAX(prof, orig, temp_count_max);
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PROF_ADD(prof, orig, del_op_count);
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PROF_ADD(prof, orig, code_in_len);
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PROF_ADD(prof, orig, code_out_len);
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PROF_ADD(prof, orig, search_out_len);
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PROF_ADD(prof, orig, interm_time);
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PROF_ADD(prof, orig, code_time);
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PROF_ADD(prof, orig, la_time);
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PROF_ADD(prof, orig, opt_time);
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PROF_ADD(prof, orig, restore_count);
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PROF_ADD(prof, orig, restore_time);
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}
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if (table) {
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int i;
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for (i = 0; i < NB_OPS; i++) {
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PROF_ADD(prof, orig, table_op_count[i]);
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}
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}
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}
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}
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#undef PROF_ADD
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#undef PROF_MAX
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static void tcg_profile_snapshot_counters(TCGProfile *prof)
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{
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tcg_profile_snapshot(prof, true, false);
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}
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static void tcg_profile_snapshot_table(TCGProfile *prof)
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{
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tcg_profile_snapshot(prof, false, true);
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}
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void tcg_dump_op_count(GString *buf)
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{
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TCGProfile prof = {};
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int i;
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tcg_profile_snapshot_table(&prof);
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for (i = 0; i < NB_OPS; i++) {
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g_string_append_printf(buf, "%s %" PRId64 "\n", tcg_op_defs[i].name,
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prof.table_op_count[i]);
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}
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}
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int64_t tcg_cpu_exec_time(void)
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{
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unsigned int n_ctxs = qatomic_read(&tcg_cur_ctxs);
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unsigned int i;
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int64_t ret = 0;
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for (i = 0; i < n_ctxs; i++) {
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const TCGContext *s = qatomic_read(&tcg_ctxs[i]);
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const TCGProfile *prof = &s->prof;
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ret += qatomic_read(&prof->cpu_exec_time);
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}
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return ret;
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}
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#else
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void tcg_dump_op_count(GString *buf)
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{
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g_string_append_printf(buf, "[TCG profiler not compiled]\n");
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}
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int64_t tcg_cpu_exec_time(void)
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{
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error_report("%s: TCG profiler not compiled", __func__);
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exit(EXIT_FAILURE);
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}
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#endif
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int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
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{
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#ifdef CONFIG_PROFILER
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TCGProfile *prof = &s->prof;
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#endif
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int i, start_words, num_insns;
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TCGOp *op;
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#ifdef CONFIG_PROFILER
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{
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int n = 0;
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QTAILQ_FOREACH(op, &s->ops, link) {
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n++;
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}
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qatomic_set(&prof->op_count, prof->op_count + n);
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if (n > prof->op_count_max) {
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qatomic_set(&prof->op_count_max, n);
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}
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n = s->nb_temps;
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qatomic_set(&prof->temp_count, prof->temp_count + n);
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if (n > prof->temp_count_max) {
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qatomic_set(&prof->temp_count_max, n);
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}
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}
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#endif
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if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)
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&& qemu_log_in_addr_range(pc_start))) {
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FILE *logfile = qemu_log_trylock();
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@ -6071,17 +5940,8 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
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}
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#endif
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#ifdef CONFIG_PROFILER
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qatomic_set(&prof->opt_time, prof->opt_time - profile_getclock());
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#endif
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tcg_optimize(s);
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#ifdef CONFIG_PROFILER
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qatomic_set(&prof->opt_time, prof->opt_time + profile_getclock());
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qatomic_set(&prof->la_time, prof->la_time - profile_getclock());
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#endif
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reachable_code_pass(s);
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liveness_pass_0(s);
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liveness_pass_1(s);
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@ -6105,10 +5965,6 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
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}
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}
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#ifdef CONFIG_PROFILER
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qatomic_set(&prof->la_time, prof->la_time + profile_getclock());
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#endif
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if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT)
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&& qemu_log_in_addr_range(pc_start))) {
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FILE *logfile = qemu_log_trylock();
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@ -6151,10 +6007,6 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
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QTAILQ_FOREACH(op, &s->ops, link) {
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TCGOpcode opc = op->opc;
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#ifdef CONFIG_PROFILER
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qatomic_set(&prof->table_op_count[opc], prof->table_op_count[opc] + 1);
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#endif
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switch (opc) {
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case INDEX_op_mov_i32:
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case INDEX_op_mov_i64:
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@ -6249,76 +6101,10 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
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return tcg_current_code_size(s);
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}
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#ifdef CONFIG_PROFILER
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void tcg_dump_info(GString *buf)
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{
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TCGProfile prof = {};
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const TCGProfile *s;
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int64_t tb_count;
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int64_t tb_div_count;
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int64_t tot;
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tcg_profile_snapshot_counters(&prof);
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s = &prof;
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tb_count = s->tb_count;
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tb_div_count = tb_count ? tb_count : 1;
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tot = s->interm_time + s->code_time;
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g_string_append_printf(buf, "JIT cycles %" PRId64
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" (%0.3f s at 2.4 GHz)\n",
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tot, tot / 2.4e9);
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g_string_append_printf(buf, "translated TBs %" PRId64
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" (aborted=%" PRId64 " %0.1f%%)\n",
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tb_count, s->tb_count1 - tb_count,
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(double)(s->tb_count1 - s->tb_count)
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/ (s->tb_count1 ? s->tb_count1 : 1) * 100.0);
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g_string_append_printf(buf, "avg ops/TB %0.1f max=%d\n",
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(double)s->op_count / tb_div_count, s->op_count_max);
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g_string_append_printf(buf, "deleted ops/TB %0.2f\n",
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(double)s->del_op_count / tb_div_count);
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g_string_append_printf(buf, "avg temps/TB %0.2f max=%d\n",
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(double)s->temp_count / tb_div_count,
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s->temp_count_max);
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g_string_append_printf(buf, "avg host code/TB %0.1f\n",
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(double)s->code_out_len / tb_div_count);
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g_string_append_printf(buf, "avg search data/TB %0.1f\n",
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(double)s->search_out_len / tb_div_count);
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g_string_append_printf(buf, "cycles/op %0.1f\n",
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s->op_count ? (double)tot / s->op_count : 0);
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g_string_append_printf(buf, "cycles/in byte %0.1f\n",
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s->code_in_len ? (double)tot / s->code_in_len : 0);
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g_string_append_printf(buf, "cycles/out byte %0.1f\n",
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s->code_out_len ? (double)tot / s->code_out_len : 0);
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g_string_append_printf(buf, "cycles/search byte %0.1f\n",
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s->search_out_len ?
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(double)tot / s->search_out_len : 0);
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if (tot == 0) {
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tot = 1;
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}
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g_string_append_printf(buf, " gen_interm time %0.1f%%\n",
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(double)s->interm_time / tot * 100.0);
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g_string_append_printf(buf, " gen_code time %0.1f%%\n",
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(double)s->code_time / tot * 100.0);
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g_string_append_printf(buf, "optim./code time %0.1f%%\n",
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(double)s->opt_time / (s->code_time ?
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s->code_time : 1)
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* 100.0);
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g_string_append_printf(buf, "liveness/code time %0.1f%%\n",
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(double)s->la_time / (s->code_time ?
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s->code_time : 1) * 100.0);
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g_string_append_printf(buf, "cpu_restore count %" PRId64 "\n",
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s->restore_count);
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g_string_append_printf(buf, " avg cycles %0.1f\n",
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s->restore_count ?
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(double)s->restore_time / s->restore_count : 0);
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}
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#else
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void tcg_dump_info(GString *buf)
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{
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g_string_append_printf(buf, "[TCG profiler not compiled]\n");
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}
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#endif
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#ifdef ELF_HOST_MACHINE
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/* In order to use this feature, the backend needs to do three things:
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