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For the "exec" tracing I've added a new inline macro for efficiency's sake. Signed-off-by: Alex Bennée Reviewed-by: Aurelien Jarno Reviewed-by: Richard Henderson ---- v2 - checkpatch updates - add qemu_log_mask_and_addr macro for inline dump for traces - re-base on re-factored tcg layout - include new Trace & Link lines v5 - add r-b tag - slight reword to commit now LOG_OP is common v6 - minor merge conflict with earlier patch - add r-b tag --- cpu-exec.c | 13 +++++++------ include/exec/exec-all.h | 8 +++++--- include/qemu/log.h | 15 +++++++++++++++ tcg/tcg.c | 6 ++++-- translate-all.c | 3 ++- 5 files changed, 33 insertions(+), 12 deletions(-) -- 2.7.0 diff --git a/cpu-exec.c b/cpu-exec.c index 6206cdf..bbfcbfb 100644 --- a/cpu-exec.c +++ b/cpu-exec.c @@ -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 { diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 1823ee3..7362095 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -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); diff --git a/include/qemu/log.h b/include/qemu/log.h index c0225e1..78ac827 100644 --- a/include/qemu/log.h +++ b/include/qemu/log.h @@ -82,6 +82,21 @@ 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 */ diff --git a/tcg/tcg.c b/tcg/tcg.c index b76d978..f059b56 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -2292,7 +2292,8 @@ 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"); @@ -2319,7 +2320,8 @@ 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"); diff --git a/translate-all.c b/translate-all.c index b3207fe..b4df1ec 100644 --- a/translate-all.c +++ b/translate-all.c @@ -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");