blob: 5aeb605a33c76eba1f37f2746d783ccd4258b876 [file] [log] [blame] [edit]
/**
* @file alloc_counter_tests.c
*
* @remark Copyright 2003 OProfile authors
* @remark Read the file COPYING
*
* @author John Levon
* @author Philippe Elie
*/
#include <stdlib.h>
#include <stdio.h>
#include "op_parse_event.h"
#include "op_alloc_counter.h"
#include "op_events.h"
#include "op_hw_config.h"
#include "op_cpu_type.h"
#include "op_events.h"
/* FIXME: alpha description events need 20 but when running test on x86
* OP_MAX_COUNTERS is 8, so we can't use it */
#define MAX_EVENTS 20
/* some test are setup to fail in a known way */
enum failure_type {
no_failure,
fail_to_find_event,
fail_to_alloc_counter
};
struct allocated_counter {
op_cpu cpu_type;
char const * const * events;
size_t alloc_map[MAX_EVENTS];
/* expected failure for this test */
enum failure_type failure;
};
/* not more than MAX_EVENTS string for all these arrays */
static char const * const events_alpha_ev4_1[] = {
"ISSUES:4096:0:1:1",
NULL
};
static char const * const events_alpha_ev4_2[] = {
"UNKNOWN_EVENT:4096:0:1:1",
NULL
};
static char const * const events_ppro_1[] = {
"CPU_CLK_UNHALTED:4096:0:1:1",
NULL
};
static char const * const events_ppro_2[] = {
"CPU_CLK_UNHALTED:4096:0:1:1",
"DATA_MEM_REFS:4096:0:1:1",
NULL
};
static char const * const events_ppro_3[] = {
/* fail_to_alloc_counter: 2 event to counter 0 */
"COMP_FLOP_RET:4096:0:1:1",
"FLOPS:4096:0:1:1",
NULL
};
static char const * const events_ppro_4[] = {
"FLOPS:4096:0:1:1",
"FP_ASSIST:4096:0:1:1",
NULL
};
static char const * const events_ppro_5[] = {
"FP_ASSIST:4096:0:1:1",
"FLOPS:4096:0:1:1",
NULL
};
static char const * const events_p4_1[] = {
"BRANCH_RETIRED:4096:1:1:1",
"MISPRED_BRANCH_RETIRED:4096:1:1:1",
"BPU_FETCH_REQUEST:4096:1:1:1",
"ITLB_REFERENCE:4096:1:1:1",
"MEMORY_CANCEL:4096:4:1:1",
"MEMORY_COMPLETE:4096:1:1:1",
"TC_MS_XFER:4096:1:1:1",
"UOP_QUEUE_WRITES:4096:1:1:1",
NULL
};
static char const * const events_p4_2[] = {
/* fail_to_alloc_counter: 3 event to counter 3, 7 */
"BRANCH_RETIRED:4096:1:1:1",
"MISPRED_BRANCH_RETIRED:4096:1:1:1",
"INSTR_RETIRED:4096:1:1:1",
"BPU_FETCH_REQUEST:4096:1:1:1",
"ITLB_REFERENCE:4096:1:1:1",
"MEMORY_CANCEL:4096:4:1:1",
"MEMORY_COMPLETE:4096:1:1:1",
"TC_MS_XFER:4096:1:1:1",
NULL
};
static char const * const events_mips_34k[] = {
/* fail_to_alloc_counter: w/o 2006-8-03 Jeremiah Lott patch, see
* ChangeLog */
"DTLB_MISSES:500:0:1:1",
"JR_31_INSNS:500:0:1:1",
NULL
};
static struct allocated_counter const tests[] = {
{ CPU_AXP_EV4, events_alpha_ev4_1, { 0 }, no_failure },
{ CPU_AXP_EV4, events_alpha_ev4_2, { -1 }, fail_to_find_event },
{ CPU_PPRO, events_ppro_1, { 0 }, no_failure },
{ CPU_PPRO, events_ppro_2, { 0, 1 }, no_failure },
{ CPU_PPRO, events_ppro_3, { -1 }, fail_to_alloc_counter },
{ CPU_PPRO, events_ppro_4, { 0, 1 }, no_failure },
{ CPU_PPRO, events_ppro_5, { 1, 0 }, no_failure },
{ CPU_P4, events_p4_1, { 3, 7, 0, 4, 2, 6, 1, 5 }, no_failure },
{ CPU_P4, events_p4_2, { -1 }, fail_to_alloc_counter },
{ CPU_MIPS_34K, events_mips_34k, { 1, 0 }, no_failure },
{ CPU_NO_GOOD, 0, { 0 }, 0 }
};
static void show_events(char const * const * events)
{
for ( ; *events; ++events)
printf("%s\n", *events);
}
static void show_counter_map(size_t const * counter_map, size_t nr_events)
{
size_t i;
for (i = 0; i < nr_events; ++i)
printf("%lu ", (unsigned long)counter_map[i]);
printf("\n");
}
static void do_test(struct allocated_counter const * it)
{
size_t i;
size_t * counter_map;
size_t nr_events;
struct parsed_event parsed[MAX_EVENTS];
struct op_event const * event[MAX_EVENTS];
op_events(it->cpu_type);
nr_events = parse_events(parsed, MAX_EVENTS, it->events);
for (i = 0; i < nr_events; ++i) {
event[i] = find_event_by_name(parsed[i].name, parsed[i].unit_mask,
parsed[i].unit_mask_valid);
if (!event[i]) {
if (it->failure == fail_to_find_event)
goto free_events;
printf("Can't find events %s for cpu %s\n",
parsed[i].name,
op_get_cpu_type_str(it->cpu_type));
exit(EXIT_FAILURE);
}
}
counter_map = map_event_to_counter(event, nr_events, it->cpu_type);
if (!counter_map) {
if (it->failure == fail_to_alloc_counter)
goto free_events;
printf("Can't map this set of events to counter:\n");
show_events(it->events);
exit(EXIT_FAILURE);
}
for (i = 0; i < nr_events; ++i) {
if (counter_map[i] != it->alloc_map[i]) {
printf("Incorrect allocation map for these events:\n");
show_events(it->events);
printf("(expect, found):\n");
show_counter_map(it->alloc_map, nr_events);
show_counter_map(counter_map, nr_events);
exit(EXIT_FAILURE);
}
}
if (it->failure != no_failure) {
/* test should fail but success! */
printf("test should fail with a failure type %d but succeed "
"for events:\n", it->failure);
for (i = 0; i < nr_events; ++i)
printf("%s\n", it->events[i]);
exit(EXIT_FAILURE);
}
free(counter_map);
free_events:
op_free_events();
}
int main(void)
{
struct allocated_counter const * it;
setenv("OPROFILE_EVENTS_DIR", OPROFILE_SRCDIR "/events", 1);
for (it = tests; it->cpu_type != CPU_NO_GOOD; ++it)
do_test(it);
return 0;
}