haraldwolff/qemu-patch-raspberry4
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1244 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-26 22:00:47 +00:00
parent d79284e07a
commit e3db7226b4
3 changed files with 67 additions and 2 deletions
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3
cpu-all.h
View file

@ -742,4 +742,7 @@ static inline void cpu_physical_memory_set_dirty(target_ulong addr)
void cpu_physical_memory_reset_dirty(target_ulong start, target_ulong end);
void dump_exec_info(FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
#endif /* CPU_ALL_H */

55
exec.c
View file

@ -128,6 +128,11 @@ char *logfilename = "/tmp/qemu.log";
FILE *logfile;
int loglevel;
/* statistics */
static int tlb_flush_count;
static int tb_flush_count;
static int tb_phys_invalidate_count;
static void page_init(void)
{
/* NOTE: we can always suppose that qemu_host_page_size >=
@ -336,6 +341,7 @@ void tb_flush(CPUState *env)
code_gen_ptr = code_gen_buffer;
/* XXX: flush processor icache at this point if cache flush is
expensive */
tb_flush_count++;
}
#ifdef DEBUG_TB_CHECK
@ -530,6 +536,7 @@ static inline void tb_phys_invalidate(TranslationBlock *tb, unsigned int page_ad
}
tb_invalidate(tb);
tb_phys_invalidate_count++;
}
static inline void set_bits(uint8_t *tab, int start, int len)
@ -1298,6 +1305,7 @@ void tlb_flush(CPUState *env, int flush_global)
#if !defined(CONFIG_SOFTMMU)
munmap((void *)MMAP_AREA_START, MMAP_AREA_END - MMAP_AREA_START);
#endif
tlb_flush_count++;
}
static inline void tlb_flush_entry(CPUTLBEntry *tlb_entry, target_ulong addr)
@ -2137,6 +2145,53 @@ int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
return 0;
}
void dump_exec_info(FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
{
int i, target_code_size, max_target_code_size;
int direct_jmp_count, direct_jmp2_count, cross_page;
TranslationBlock *tb;
target_code_size = 0;
max_target_code_size = 0;
cross_page = 0;
direct_jmp_count = 0;
direct_jmp2_count = 0;
for(i = 0; i < nb_tbs; i++) {
tb = &tbs[i];
target_code_size += tb->size;
if (tb->size > max_target_code_size)
max_target_code_size = tb->size;
if (tb->page_addr[1] != -1)
cross_page++;
if (tb->tb_next_offset[0] != 0xffff) {
direct_jmp_count++;
if (tb->tb_next_offset[1] != 0xffff) {
direct_jmp2_count++;
}
}
}
/* XXX: avoid using doubles ? */
cpu_fprintf(f, "TB count %d\n", nb_tbs);
cpu_fprintf(f, "TB avg target size %d max=%d bytes\n",
nb_tbs ? target_code_size / nb_tbs : 0,
max_target_code_size);
cpu_fprintf(f, "TB avg host size %d bytes (expansion ratio: %0.1f)\n",
nb_tbs ? (code_gen_ptr - code_gen_buffer) / nb_tbs : 0,
target_code_size ? (double) (code_gen_ptr - code_gen_buffer) / target_code_size : 0);
cpu_fprintf(f, "cross page TB count %d (%d%%)\n",
cross_page,
nb_tbs ? (cross_page * 100) / nb_tbs : 0);
cpu_fprintf(f, "direct jump count %d (%d%%) (2 jumps=%d %d%%)\n",
direct_jmp_count,
nb_tbs ? (direct_jmp_count * 100) / nb_tbs : 0,
direct_jmp2_count,
nb_tbs ? (direct_jmp2_count * 100) / nb_tbs : 0);
cpu_fprintf(f, "TB flush count %d\n", tb_flush_count);
cpu_fprintf(f, "TB invalidate count %d\n", tb_phys_invalidate_count);
cpu_fprintf(f, "TLB flush count %d\n", tlb_flush_count);
}
#if !defined(CONFIG_USER_ONLY)
#define MMUSUFFIX _cmmu

11
monitor.c
View file

@ -220,14 +220,19 @@ static void do_info_block(void)
static void do_info_registers(void)
{
#ifdef TARGET_I386
cpu_dump_state(cpu_single_env, stdout, monitor_fprintf,
cpu_dump_state(cpu_single_env, NULL, monitor_fprintf,
X86_DUMP_FPU | X86_DUMP_CCOP);
#else
cpu_dump_state(cpu_single_env, stdout, monitor_fprintf,
cpu_dump_state(cpu_single_env, NULL, monitor_fprintf,
0);
#endif
}
static void do_info_jit(void)
{
dump_exec_info(NULL, monitor_fprintf);
}
static void do_info_history (void)
{
int i;
@ -893,6 +898,8 @@ static term_cmd_t info_cmds[] = {
{ "mem", "", mem_info,
"", "show the active virtual memory mappings", },
#endif
{ "jit", "", do_info_jit,
"", "show dynamic compiler info", },
{ NULL, NULL, },
};