1 files changed, 0 insertions, 507 deletions

diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
deleted file mode 100644
index 5dcdba653d7..00000000000
--- a/tools/perf/builtin-test.c
+++ /dev/null
@@ -1,507 +0,0 @@
-/*
- * builtin-test.c
- *
- * Builtin regression testing command: ever growing number of sanity tests
- */
-#include "builtin.h"
-
-#include "util/cache.h"
-#include "util/debug.h"
-#include "util/parse-options.h"
-#include "util/session.h"
-#include "util/symbol.h"
-#include "util/thread.h"
-
-static long page_size;
-
-static int vmlinux_matches_kallsyms_filter(struct map *map __used, struct symbol *sym)
-{
-	bool *visited = symbol__priv(sym);
-	*visited = true;
-	return 0;
-}
-
-static int test__vmlinux_matches_kallsyms(void)
-{
-	int err = -1;
-	struct rb_node *nd;
-	struct symbol *sym;
-	struct map *kallsyms_map, *vmlinux_map;
-	struct machine kallsyms, vmlinux;
-	enum map_type type = MAP__FUNCTION;
-	struct ref_reloc_sym ref_reloc_sym = { .name = "_stext", };
-
-	/*
-	 * Step 1:
-	 *
-	 * Init the machines that will hold kernel, modules obtained from
-	 * both vmlinux + .ko files and from /proc/kallsyms split by modules.
-	 */
-	machine__init(&kallsyms, "", HOST_KERNEL_ID);
-	machine__init(&vmlinux, "", HOST_KERNEL_ID);
-
-	/*
-	 * Step 2:
-	 *
-	 * Create the kernel maps for kallsyms and the DSO where we will then
-	 * load /proc/kallsyms. Also create the modules maps from /proc/modules
-	 * and find the .ko files that match them in /lib/modules/`uname -r`/.
-	 */
-	if (machine__create_kernel_maps(&kallsyms) < 0) {
-		pr_debug("machine__create_kernel_maps ");
-		return -1;
-	}
-
-	/*
-	 * Step 3:
-	 *
-	 * Load and split /proc/kallsyms into multiple maps, one per module.
-	 */
-	if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms", type, NULL) <= 0) {
-		pr_debug("dso__load_kallsyms ");
-		goto out;
-	}
-
-	/*
-	 * Step 4:
-	 *
-	 * kallsyms will be internally on demand sorted by name so that we can
-	 * find the reference relocation * symbol, i.e. the symbol we will use
-	 * to see if the running kernel was relocated by checking if it has the
-	 * same value in the vmlinux file we load.
-	 */
-	kallsyms_map = machine__kernel_map(&kallsyms, type);
-
-	sym = map__find_symbol_by_name(kallsyms_map, ref_reloc_sym.name, NULL);
-	if (sym == NULL) {
-		pr_debug("dso__find_symbol_by_name ");
-		goto out;
-	}
-
-	ref_reloc_sym.addr = sym->start;
-
-	/*
-	 * Step 5:
-	 *
-	 * Now repeat step 2, this time for the vmlinux file we'll auto-locate.
-	 */
-	if (machine__create_kernel_maps(&vmlinux) < 0) {
-		pr_debug("machine__create_kernel_maps ");
-		goto out;
-	}
-
-	vmlinux_map = machine__kernel_map(&vmlinux, type);
-	map__kmap(vmlinux_map)->ref_reloc_sym = &ref_reloc_sym;
-
-	/*
-	 * Step 6:
-	 *
-	 * Locate a vmlinux file in the vmlinux path that has a buildid that
-	 * matches the one of the running kernel.
-	 *
-	 * While doing that look if we find the ref reloc symbol, if we find it
-	 * we'll have its ref_reloc_symbol.unrelocated_addr and then
-	 * maps__reloc_vmlinux will notice and set proper ->[un]map_ip routines
-	 * to fixup the symbols.
-	 */
-	if (machine__load_vmlinux_path(&vmlinux, type,
-				       vmlinux_matches_kallsyms_filter) <= 0) {
-		pr_debug("machine__load_vmlinux_path ");
-		goto out;
-	}
-
-	err = 0;
-	/*
-	 * Step 7:
-	 *
-	 * Now look at the symbols in the vmlinux DSO and check if we find all of them
-	 * in the kallsyms dso. For the ones that are in both, check its names and
-	 * end addresses too.
-	 */
-	for (nd = rb_first(&vmlinux_map->dso->symbols[type]); nd; nd = rb_next(nd)) {
-		struct symbol *pair, *first_pair;
-		bool backwards = true;
-
-		sym  = rb_entry(nd, struct symbol, rb_node);
-
-		if (sym->start == sym->end)
-			continue;
-
-		first_pair = machine__find_kernel_symbol(&kallsyms, type, sym->start, NULL, NULL);
-		pair = first_pair;
-
-		if (pair && pair->start == sym->start) {
-next_pair:
-			if (strcmp(sym->name, pair->name) == 0) {
-				/*
-				 * kallsyms don't have the symbol end, so we
-				 * set that by using the next symbol start - 1,
-				 * in some cases we get this up to a page
-				 * wrong, trace_kmalloc when I was developing
-				 * this code was one such example, 2106 bytes
-				 * off the real size. More than that and we
-				 * _really_ have a problem.
-				 */
-				s64 skew = sym->end - pair->end;
-				if (llabs(skew) < page_size)
-					continue;
-
-				pr_debug("%#" PRIx64 ": diff end addr for %s v: %#" PRIx64 " k: %#" PRIx64 "\n",
-					 sym->start, sym->name, sym->end, pair->end);
-			} else {
-				struct rb_node *nnd;
-detour:
-				nnd = backwards ? rb_prev(&pair->rb_node) :
-						  rb_next(&pair->rb_node);
-				if (nnd) {
-					struct symbol *next = rb_entry(nnd, struct symbol, rb_node);
-
-					if (next->start == sym->start) {
-						pair = next;
-						goto next_pair;
-					}
-				}
-
-				if (backwards) {
-					backwards = false;
-					pair = first_pair;
-					goto detour;
-				}
-
-				pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n",
-					 sym->start, sym->name, pair->name);
-			}
-		} else
-			pr_debug("%#" PRIx64 ": %s not on kallsyms\n", sym->start, sym->name);
-
-		err = -1;
-	}
-
-	if (!verbose)
-		goto out;
-
-	pr_info("Maps only in vmlinux:\n");
-
-	for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) {
-		struct map *pos = rb_entry(nd, struct map, rb_node), *pair;
-		/*
-		 * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while
-		 * the kernel will have the path for the vmlinux file being used,
-		 * so use the short name, less descriptive but the same ("[kernel]" in
-		 * both cases.
-		 */
-		pair = map_groups__find_by_name(&kallsyms.kmaps, type,
-						(pos->dso->kernel ?
-							pos->dso->short_name :
-							pos->dso->name));
-		if (pair)
-			pair->priv = 1;
-		else
-			map__fprintf(pos, stderr);
-	}
-
-	pr_info("Maps in vmlinux with a different name in kallsyms:\n");
-
-	for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) {
-		struct map *pos = rb_entry(nd, struct map, rb_node), *pair;
-
-		pair = map_groups__find(&kallsyms.kmaps, type, pos->start);
-		if (pair == NULL || pair->priv)
-			continue;
-
-		if (pair->start == pos->start) {
-			pair->priv = 1;
-			pr_info(" %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as",
-				pos->start, pos->end, pos->pgoff, pos->dso->name);
-			if (pos->pgoff != pair->pgoff || pos->end != pair->end)
-				pr_info(": \n*%" PRIx64 "-%" PRIx64 " %" PRIx64 "",
-					pair->start, pair->end, pair->pgoff);
-			pr_info(" %s\n", pair->dso->name);
-			pair->priv = 1;
-		}
-	}
-
-	pr_info("Maps only in kallsyms:\n");
-
-	for (nd = rb_first(&kallsyms.kmaps.maps[type]);
-	     nd; nd = rb_next(nd)) {
-		struct map *pos = rb_entry(nd, struct map, rb_node);
-
-		if (!pos->priv)
-			map__fprintf(pos, stderr);
-	}
-out:
-	return err;
-}
-
-#include "util/cpumap.h"
-#include "util/evsel.h"
-#include <sys/types.h>
-
-static int trace_event__id(const char *event_name)
-{
-	char *filename;
-	int err = -1, fd;
-
-	if (asprintf(&filename,
-		     "/sys/kernel/debug/tracing/events/syscalls/%s/id",
-		     event_name) < 0)
-		return -1;
-
-	fd = open(filename, O_RDONLY);
-	if (fd >= 0) {
-		char id[16];
-		if (read(fd, id, sizeof(id)) > 0)
-			err = atoi(id);
-		close(fd);
-	}
-
-	free(filename);
-	return err;
-}
-
-static int test__open_syscall_event(void)
-{
-	int err = -1, fd;
-	struct thread_map *threads;
-	struct perf_evsel *evsel;
-	struct perf_event_attr attr;
-	unsigned int nr_open_calls = 111, i;
-	int id = trace_event__id("sys_enter_open");
-
-	if (id < 0) {
-		pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
-		return -1;
-	}
-
-	threads = thread_map__new(-1, getpid());
-	if (threads == NULL) {
-		pr_debug("thread_map__new\n");
-		return -1;
-	}
-
-	memset(&attr, 0, sizeof(attr));
-	attr.type = PERF_TYPE_TRACEPOINT;
-	attr.config = id;
-	evsel = perf_evsel__new(&attr, 0);
-	if (evsel == NULL) {
-		pr_debug("perf_evsel__new\n");
-		goto out_thread_map_delete;
-	}
-
-	if (perf_evsel__open_per_thread(evsel, threads) < 0) {
-		pr_debug("failed to open counter: %s, "
-			 "tweak /proc/sys/kernel/perf_event_paranoid?\n",
-			 strerror(errno));
-		goto out_evsel_delete;
-	}
-
-	for (i = 0; i < nr_open_calls; ++i) {
-		fd = open("/etc/passwd", O_RDONLY);
-		close(fd);
-	}
-
-	if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) {
-		pr_debug("perf_evsel__open_read_on_cpu\n");
-		goto out_close_fd;
-	}
-
-	if (evsel->counts->cpu[0].val != nr_open_calls) {
-		pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
-			 nr_open_calls, evsel->counts->cpu[0].val);
-		goto out_close_fd;
-	}
-	
-	err = 0;
-out_close_fd:
-	perf_evsel__close_fd(evsel, 1, threads->nr);
-out_evsel_delete:
-	perf_evsel__delete(evsel);
-out_thread_map_delete:
-	thread_map__delete(threads);
-	return err;
-}
-
-#include <sched.h>
-
-static int test__open_syscall_event_on_all_cpus(void)
-{
-	int err = -1, fd, cpu;
-	struct thread_map *threads;
-	struct cpu_map *cpus;
-	struct perf_evsel *evsel;
-	struct perf_event_attr attr;
-	unsigned int nr_open_calls = 111, i;
-	cpu_set_t cpu_set;
-	int id = trace_event__id("sys_enter_open");
-
-	if (id < 0) {
-		pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
-		return -1;
-	}
-
-	threads = thread_map__new(-1, getpid());
-	if (threads == NULL) {
-		pr_debug("thread_map__new\n");
-		return -1;
-	}
-
-	cpus = cpu_map__new(NULL);
-	if (threads == NULL) {
-		pr_debug("thread_map__new\n");
-		return -1;
-	}
-
-
-	CPU_ZERO(&cpu_set);
-
-	memset(&attr, 0, sizeof(attr));
-	attr.type = PERF_TYPE_TRACEPOINT;
-	attr.config = id;
-	evsel = perf_evsel__new(&attr, 0);
-	if (evsel == NULL) {
-		pr_debug("perf_evsel__new\n");
-		goto out_thread_map_delete;
-	}
-
-	if (perf_evsel__open(evsel, cpus, threads) < 0) {
-		pr_debug("failed to open counter: %s, "
-			 "tweak /proc/sys/kernel/perf_event_paranoid?\n",
-			 strerror(errno));
-		goto out_evsel_delete;
-	}
-
-	for (cpu = 0; cpu < cpus->nr; ++cpu) {
-		unsigned int ncalls = nr_open_calls + cpu;
-		/*
-		 * XXX eventually lift this restriction in a way that
-		 * keeps perf building on older glibc installations
-		 * without CPU_ALLOC. 1024 cpus in 2010 still seems
-		 * a reasonable upper limit tho :-)
-		 */
-		if (cpus->map[cpu] >= CPU_SETSIZE) {
-			pr_debug("Ignoring CPU %d\n", cpus->map[cpu]);
-			continue;
-		}
-
-		CPU_SET(cpus->map[cpu], &cpu_set);
-		if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
-			pr_debug("sched_setaffinity() failed on CPU %d: %s ",
-				 cpus->map[cpu],
-				 strerror(errno));
-			goto out_close_fd;
-		}
-		for (i = 0; i < ncalls; ++i) {
-			fd = open("/etc/passwd", O_RDONLY);
-			close(fd);
-		}
-		CPU_CLR(cpus->map[cpu], &cpu_set);
-	}
-
-	/*
-	 * Here we need to explicitely preallocate the counts, as if
-	 * we use the auto allocation it will allocate just for 1 cpu,
-	 * as we start by cpu 0.
-	 */
-	if (perf_evsel__alloc_counts(evsel, cpus->nr) < 0) {
-		pr_debug("perf_evsel__alloc_counts(ncpus=%d)\n", cpus->nr);
-		goto out_close_fd;
-	}
-
-	for (cpu = 0; cpu < cpus->nr; ++cpu) {
-		unsigned int expected;
-
-		if (cpus->map[cpu] >= CPU_SETSIZE)
-			continue;
-
-		if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) {
-			pr_debug("perf_evsel__open_read_on_cpu\n");
-			goto out_close_fd;
-		}
-
-		expected = nr_open_calls + cpu;
-		if (evsel->counts->cpu[cpu].val != expected) {
-			pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
-				 expected, cpus->map[cpu], evsel->counts->cpu[cpu].val);
-			goto out_close_fd;
-		}
-	}
-
-	err = 0;
-out_close_fd:
-	perf_evsel__close_fd(evsel, 1, threads->nr);
-out_evsel_delete:
-	perf_evsel__delete(evsel);
-out_thread_map_delete:
-	thread_map__delete(threads);
-	return err;
-}
-
-static struct test {
-	const char *desc;
-	int (*func)(void);
-} tests[] = {
-	{
-		.desc = "vmlinux symtab matches kallsyms",
-		.func = test__vmlinux_matches_kallsyms,
-	},
-	{
-		.desc = "detect open syscall event",
-		.func = test__open_syscall_event,
-	},
-	{
-		.desc = "detect open syscall event on all cpus",
-		.func = test__open_syscall_event_on_all_cpus,
-	},
-	{
-		.func = NULL,
-	},
-};
-
-static int __cmd_test(void)
-{
-	int i = 0;
-
-	page_size = sysconf(_SC_PAGE_SIZE);
-
-	while (tests[i].func) {
-		int err;
-		pr_info("%2d: %s:", i + 1, tests[i].desc);
-		pr_debug("\n--- start ---\n");
-		err = tests[i].func();
-		pr_debug("---- end ----\n%s:", tests[i].desc);
-		pr_info(" %s\n", err ? "FAILED!\n" : "Ok");
-		++i;
-	}
-
-	return 0;
-}
-
-static const char * const test_usage[] = {
-	"perf test [<options>]",
-	NULL,
-};
-
-static const struct option test_options[] = {
-	OPT_INTEGER('v', "verbose", &verbose,
-		    "be more verbose (show symbol address, etc)"),
-	OPT_END()
-};
-
-int cmd_test(int argc, const char **argv, const char *prefix __used)
-{
-	argc = parse_options(argc, argv, test_options, test_usage, 0);
-	if (argc)
-		usage_with_options(test_usage, test_options);
-
-	symbol_conf.priv_size = sizeof(int);
-	symbol_conf.sort_by_name = true;
-	symbol_conf.try_vmlinux_path = true;
-
-	if (symbol__init() < 0)
-		return -1;
-
-	setup_pager();
-
-	return __cmd_test();
-}