mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tcg: add separate monitor command to dump opcode counters

Browse Source 
Currently 'info jit' outputs half of the information to monitor and the
rest to qemu log. Dumping opcode counts to monitor as a part of 'info
jit' command doesn't sound useful. Add new monitor command 'info
opcount' that only dumps opcode counters.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Max Filippov 2014-11-02 11:04:18 +03:00
parent d86fb03469
commit 246ae24d7d
5 changed files with 27 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/exec/cpu-all.h
View File

@ -342,6 +342,7 @@ extern RAMList ram_list;
#define TLB_MMIO (1 << 5)
void dump_exec_info(FILE *f, fprintf_function cpu_fprintf);
void dump_opcount_info(FILE *f, fprintf_function cpu_fprintf);
ram_addr_t last_ram_offset(void);
void qemu_mutex_lock_ramlist(void);
void qemu_mutex_unlock_ramlist(void);

12
monitor.c
View File

@ -1042,6 +1042,11 @@ static void do_info_jit(Monitor *mon, const QDict *qdict)
dump_drift_info((FILE *)mon, monitor_fprintf);
}
static void do_info_opcount(Monitor *mon, const QDict *qdict)
{
dump_opcount_info((FILE *)mon, monitor_fprintf);
}
static void do_info_history(Monitor *mon, const QDict *qdict)
{
int i;
@ -2738,6 +2743,13 @@ static mon_cmd_t info_cmds[] = {
.help = "show dynamic compiler info",
.mhandler.cmd = do_info_jit,
},
{
.name = "opcount",
.args_type = "",
.params = "",
.help = "show dynamic compiler opcode counters",
.mhandler.cmd = do_info_opcount,
},
{
.name = "kvm",
.args_type = "",

12
tcg/tcg.c
View File

@ -2401,14 +2401,20 @@ static int tcg_reg_alloc_call(TCGContext *s, const TCGOpDef *def,
static int64_t tcg_table_op_count[NB_OPS];
static void dump_op_count(void)
void tcg_dump_op_count(FILE *f, fprintf_function cpu_fprintf)
{
int i;
for(i = INDEX_op_end; i < NB_OPS; i++) {
qemu_log("%s %" PRId64 "\n", tcg_op_defs[i].name, tcg_table_op_count[i]);
cpu_fprintf(f, "%s %" PRId64 "\n", tcg_op_defs[i].name,
tcg_table_op_count[i]);
}
}
#else
void tcg_dump_op_count(FILE *f, fprintf_function cpu_fprintf)
{
cpu_fprintf(f, "[TCG profiler not compiled]\n");
}
#endif
@ -2620,8 +2626,6 @@ void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf)
s->restore_count);
cpu_fprintf(f, " avg cycles %0.1f\n",
s->restore_count ? (double)s->restore_time / s->restore_count : 0);
dump_op_count();
}
#else
void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf)

1
tcg/tcg.h
View File

@ -610,6 +610,7 @@ int tcg_check_temp_count(void);
#endif
void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf);
void tcg_dump_op_count(FILE *f, fprintf_function cpu_fprintf);
#define TCG_CT_ALIAS 0x80
#define TCG_CT_IALIAS 0x40

5
translate-all.c
View File

@ -1651,6 +1651,11 @@ void dump_exec_info(FILE *f, fprintf_function cpu_fprintf)
tcg_dump_info(f, cpu_fprintf);
}
void dump_opcount_info(FILE *f, fprintf_function cpu_fprintf)
{
tcg_dump_op_count(f, cpu_fprintf);
}
#else /* CONFIG_USER_ONLY */
void cpu_interrupt(CPUState *cpu, int mask)