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show cycles per function

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This commit is contained in:
Michael Specht 2018-02-07 10:17:55 +01:00
parent 3796f8e22f
commit 011472fe3c
1 changed files with 7 additions and 2 deletions
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9
champ.c
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@ -35,6 +35,7 @@ uint8_t trace_stack[0x100];
uint8_t trace_stack_pointer = 0xff; uint8_t trace_stack_pointer = 0xff;
uint16_t trace_stack_function[0x100]; uint16_t trace_stack_function[0x100];
uint64_t cycles_per_function[0x10000]; uint64_t cycles_per_function[0x10000];
uint64_t calls_per_function[0x10000];
uint64_t last_frame_cycle_count = 0; uint64_t last_frame_cycle_count = 0;
uint64_t frame_cycle_count = 0; uint64_t frame_cycle_count = 0;
uint64_t frame_count = 0; uint64_t frame_count = 0;
@ -816,6 +817,7 @@ void handle_next_opcode()
trace_stack_function[trace_stack_pointer] = target_address; trace_stack_function[trace_stack_pointer] = target_address;
trace_stack[trace_stack_pointer] = cpu.sp; trace_stack[trace_stack_pointer] = cpu.sp;
trace_stack_pointer--; trace_stack_pointer--;
calls_per_function[target_address]++;
push(((cpu.ip - 1) >> 8) & 0xff); push(((cpu.ip - 1) >> 8) & 0xff);
push((cpu.ip - 1) & 0xff); push((cpu.ip - 1) & 0xff);
@ -1043,6 +1045,7 @@ int main(int argc, char** argv)
} }
memset(ram, 0, sizeof(ram)); memset(ram, 0, sizeof(ram));
memset(cycles_per_function, 0, sizeof(cycles_per_function)); memset(cycles_per_function, 0, sizeof(cycles_per_function));
memset(calls_per_function, 0, sizeof(calls_per_function));
load(argv[argc - 1], 0); load(argv[argc - 1], 0);
// rotation mode // rotation mode
@ -1123,8 +1126,10 @@ int main(int argc, char** argv)
{ {
if (cycles_per_function[i] > 0) if (cycles_per_function[i] > 0)
{ {
printf("%12d %5.2f%% %04x", cycles_per_function[i], printf("%12d %5.2f%% %8d %04x", cycles_per_function[i],
cycles_per_function[i] * 100.0 / cpu.total_cycles, i); cycles_per_function[i] * 100.0 / cpu.total_cycles,
cycles_per_function[i] / calls_per_function[i],
i);
if (label_for_address[i] >= 0) if (label_for_address[i] >= 0)
printf(" %s", LABELS[label_for_address[i]]); printf(" %s", LABELS[label_for_address[i]]);
printf("\n"); printf("\n");