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

qemu-log: dfilter-ise exec, out_asm, op and opt_op

Browse Source 
This ensures the code generation debug code will honour -dfilter if set.
For the "exec" tracing I've added a new inline macro for efficiency's
sake.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Aurelien Jarno <aurelien@aureL32.net>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1458052224-9316-8-git-send-email-alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Alex Bennée 2016-03-15 14:30:21 +00:00 committed by Paolo Bonzini
parent 3514552e04
commit d977e1c2db
5 changed files with 33 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
cpu-exec.c
View File

@ -139,8 +139,9 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, TranslationBlock *itb)
uintptr_t next_tb;
uint8_t *tb_ptr = itb->tc_ptr;
qemu_log_mask(CPU_LOG_EXEC, "Trace %p [" TARGET_FMT_lx "] %s\n",
itb->tc_ptr, itb->pc, lookup_symbol(itb->pc));
qemu_log_mask_and_addr(CPU_LOG_EXEC, itb->pc,
"Trace %p [" TARGET_FMT_lx "] %s\n",
itb->tc_ptr, itb->pc, lookup_symbol(itb->pc));
#if defined(DEBUG_DISAS)
if (qemu_loglevel_mask(CPU_LOG_TB_CPU)) {
@ -171,10 +172,10 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, TranslationBlock *itb)
*/
CPUClass *cc = CPU_GET_CLASS(cpu);
TranslationBlock *tb = (TranslationBlock *)(next_tb & ~TB_EXIT_MASK);
qemu_log_mask(CPU_LOG_EXEC,
"Stopped execution of TB chain before %p ["
TARGET_FMT_lx "] %s\n",
itb->tc_ptr, itb->pc, lookup_symbol(itb->pc));
qemu_log_mask_and_addr(CPU_LOG_EXEC, itb->pc,
"Stopped execution of TB chain before %p ["
TARGET_FMT_lx "] %s\n",
itb->tc_ptr, itb->pc, lookup_symbol(itb->pc));
if (cc->synchronize_from_tb) {
cc->synchronize_from_tb(cpu, tb);
} else {

8
include/exec/exec-all.h
View File

@ -379,9 +379,11 @@ static inline void tb_add_jump(TranslationBlock *tb, int n,
{
/* NOTE: this test is only needed for thread safety */
if (!tb->jmp_next[n]) {
qemu_log_mask(CPU_LOG_EXEC, "Linking TBs %p [" TARGET_FMT_lx
"] index %d -> %p [" TARGET_FMT_lx "]\n",
tb->tc_ptr, tb->pc, n, tb_next->tc_ptr, tb_next->pc);
qemu_log_mask_and_addr(CPU_LOG_EXEC, tb->pc,
"Linking TBs %p [" TARGET_FMT_lx
"] index %d -> %p [" TARGET_FMT_lx "]\n",
tb->tc_ptr, tb->pc, n,
tb_next->tc_ptr, tb_next->pc);
/* patch the native jump address */
tb_set_jmp_target(tb, n, (uintptr_t)tb_next->tc_ptr);

15
include/qemu/log.h
View File

@ -78,6 +78,21 @@ qemu_log_vprintf(const char *fmt, va_list va)
} \
} while (0)
/* log only if a bit is set on the current loglevel mask
* and we are in the address range we care about:
* @mask: bit to check in the mask
* @addr: address to check in dfilter
* @fmt: printf-style format string
* @args: optional arguments for format string
*/
#define qemu_log_mask_and_addr(MASK, ADDR, FMT, ...) \
do { \
if (unlikely(qemu_loglevel_mask(MASK)) && \
qemu_log_in_addr_range(ADDR)) { \
qemu_log(FMT, ## __VA_ARGS__); \
} \
} while (0)
/* Maintenance: */
/* fflush() the log file */

6
tcg/tcg.c
View File

@ -2351,7 +2351,8 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb)
#endif
#ifdef DEBUG_DISAS
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP))) {
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)
&& qemu_log_in_addr_range(tb->pc))) {
qemu_log("OP:\n");
tcg_dump_ops(s);
qemu_log("\n");
@ -2378,7 +2379,8 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb)
#endif
#ifdef DEBUG_DISAS
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT))) {
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT)
&& qemu_log_in_addr_range(tb->pc))) {
qemu_log("OP after optimization and liveness analysis:\n");
tcg_dump_ops(s);
qemu_log("\n");

3
translate-all.c
View File

@ -1137,7 +1137,8 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
#endif
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM)) {
if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM) &&
qemu_log_in_addr_range(tb->pc)) {
qemu_log("OUT: [size=%d]\n", gen_code_size);
log_disas(tb->tc_ptr, gen_code_size);
qemu_log("\n");