static char default_sort_order[] = "frag,hit,bytes";
-static char *cwd;
-static int cwdlen;
-
static int *cpunode_map;
static int max_cpu_num;
static unsigned long total_requested, total_allocated;
static unsigned long nr_allocs, nr_cross_allocs;
-struct raw_event_sample {
- u32 size;
- char data[0];
-};
-
#define PATH_SYS_NODE "/sys/devices/system/node"
static void init_cpunode_map(void)
}
}
-static int
-process_comm_event(event_t *event, unsigned long offset, unsigned long head)
-{
- struct thread *thread = threads__findnew(event->comm.pid);
-
- dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->comm.comm, event->comm.pid);
-
- if (thread == NULL ||
- thread__set_comm(thread, event->comm.comm)) {
- dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
- return -1;
- }
-
- return 0;
-}
-
static void insert_alloc_stat(unsigned long call_site, unsigned long ptr,
int bytes_req, int bytes_alloc, int cpu)
{
}
}
-static void process_alloc_event(struct raw_event_sample *raw,
+static void process_alloc_event(void *data,
struct event *event,
int cpu,
u64 timestamp __used,
int bytes_alloc;
int node1, node2;
- ptr = raw_field_value(event, "ptr", raw->data);
- call_site = raw_field_value(event, "call_site", raw->data);
- bytes_req = raw_field_value(event, "bytes_req", raw->data);
- bytes_alloc = raw_field_value(event, "bytes_alloc", raw->data);
+ ptr = raw_field_value(event, "ptr", data);
+ call_site = raw_field_value(event, "call_site", data);
+ bytes_req = raw_field_value(event, "bytes_req", data);
+ bytes_alloc = raw_field_value(event, "bytes_alloc", data);
insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, cpu);
insert_caller_stat(call_site, bytes_req, bytes_alloc);
if (node) {
node1 = cpunode_map[cpu];
- node2 = raw_field_value(event, "node", raw->data);
+ node2 = raw_field_value(event, "node", data);
if (node1 != node2)
nr_cross_allocs++;
}
return NULL;
}
-static void process_free_event(struct raw_event_sample *raw,
+static void process_free_event(void *data,
struct event *event,
int cpu,
u64 timestamp __used,
unsigned long ptr;
struct alloc_stat *s_alloc, *s_caller;
- ptr = raw_field_value(event, "ptr", raw->data);
+ ptr = raw_field_value(event, "ptr", data);
s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp);
if (!s_alloc)
}
static void
-process_raw_event(event_t *raw_event __used, void *more_data,
+process_raw_event(event_t *raw_event __used, void *data,
int cpu, u64 timestamp, struct thread *thread)
{
- struct raw_event_sample *raw = more_data;
struct event *event;
int type;
- type = trace_parse_common_type(raw->data);
+ type = trace_parse_common_type(data);
event = trace_find_event(type);
if (!strcmp(event->name, "kmalloc") ||
!strcmp(event->name, "kmem_cache_alloc")) {
- process_alloc_event(raw, event, cpu, timestamp, thread, 0);
+ process_alloc_event(data, event, cpu, timestamp, thread, 0);
return;
}
if (!strcmp(event->name, "kmalloc_node") ||
!strcmp(event->name, "kmem_cache_alloc_node")) {
- process_alloc_event(raw, event, cpu, timestamp, thread, 1);
+ process_alloc_event(data, event, cpu, timestamp, thread, 1);
return;
}
if (!strcmp(event->name, "kfree") ||
!strcmp(event->name, "kmem_cache_free")) {
- process_free_event(raw, event, cpu, timestamp, thread);
+ process_free_event(data, event, cpu, timestamp, thread);
return;
}
}
-static int
-process_sample_event(event_t *event, unsigned long offset, unsigned long head)
+static int process_sample_event(event_t *event)
{
- u64 ip = event->ip.ip;
- u64 timestamp = -1;
- u32 cpu = -1;
- u64 period = 1;
- void *more_data = event->ip.__more_data;
- struct thread *thread = threads__findnew(event->ip.pid);
+ struct sample_data data;
+ struct thread *thread;
- if (sample_type & PERF_SAMPLE_TIME) {
- timestamp = *(u64 *)more_data;
- more_data += sizeof(u64);
- }
+ memset(&data, 0, sizeof(data));
+ data.time = -1;
+ data.cpu = -1;
+ data.period = 1;
- if (sample_type & PERF_SAMPLE_CPU) {
- cpu = *(u32 *)more_data;
- more_data += sizeof(u32);
- more_data += sizeof(u32); /* reserved */
- }
+ event__parse_sample(event, sample_type, &data);
- if (sample_type & PERF_SAMPLE_PERIOD) {
- period = *(u64 *)more_data;
- more_data += sizeof(u64);
- }
-
- dump_printf("%p [%p]: PERF_RECORD_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
+ dump_printf("(IP, %d): %d/%d: %p period: %Ld\n",
event->header.misc,
- event->ip.pid, event->ip.tid,
- (void *)(long)ip,
- (long long)period);
+ data.pid, data.tid,
+ (void *)(long)data.ip,
+ (long long)data.period);
+ thread = threads__findnew(event->ip.pid);
if (thread == NULL) {
pr_debug("problem processing %d event, skipping it.\n",
event->header.type);
dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
- process_raw_event(event, more_data, cpu, timestamp, thread);
+ process_raw_event(event, data.raw_data, data.cpu,
+ data.time, thread);
return 0;
}
static struct perf_file_handler file_handler = {
.process_sample_event = process_sample_event,
- .process_comm_event = process_comm_event,
+ .process_comm_event = event__process_comm,
.sample_type_check = sample_type_check,
};
register_perf_file_handler(&file_handler);
return mmap_dispatch_perf_file(&header, input_name, 0, 0,
- &cwdlen, &cwd);
+ &event__cwdlen, &event__cwd);
}
static double fragmentation(unsigned long n_req, unsigned long n_alloc)
if (is_caller) {
addr = data->call_site;
if (!raw_ip)
- sym = kernel_maps__find_symbol(addr,
- NULL, NULL);
+ sym = thread__find_function(kthread, addr, NULL);
} else
addr = data->ptr;
}
static const char * const kmem_usage[] = {
- "perf kmem [<options>] {record}",
+ "perf kmem [<options>] {record|stat}",
NULL
};
return 0;
}
-static int parse_stat_opt(const struct option *opt __used,
- const char *arg, int unset __used)
+static int parse_caller_opt(const struct option *opt __used,
+ const char *arg __used, int unset __used)
{
- if (!arg)
- return -1;
+ caller_flag = (alloc_flag + 1);
+ return 0;
+}
- if (strcmp(arg, "alloc") == 0)
- alloc_flag = (caller_flag + 1);
- else if (strcmp(arg, "caller") == 0)
- caller_flag = (alloc_flag + 1);
- else
- return -1;
+static int parse_alloc_opt(const struct option *opt __used,
+ const char *arg __used, int unset __used)
+{
+ alloc_flag = (caller_flag + 1);
return 0;
}
static const struct option kmem_options[] = {
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
- OPT_CALLBACK(0, "stat", NULL, "<alloc>|<caller>",
- "stat selector, Pass 'alloc' or 'caller'.",
- parse_stat_opt),
+ OPT_CALLBACK_NOOPT(0, "caller", NULL, NULL,
+ "show per-callsite statistics",
+ parse_caller_opt),
+ OPT_CALLBACK_NOOPT(0, "alloc", NULL, NULL,
+ "show per-allocation statistics",
+ parse_alloc_opt),
OPT_CALLBACK('s', "sort", NULL, "key[,key2...]",
"sort by keys: ptr, call_site, bytes, hit, pingpong, frag",
parse_sort_opt),
OPT_CALLBACK('l', "line", NULL, "num",
- "show n lins",
+ "show n lines",
parse_line_opt),
OPT_BOOLEAN(0, "raw-ip", &raw_ip, "show raw ip instead of symbol"),
OPT_END()
argc = parse_options(argc, argv, kmem_options, kmem_usage, 0);
- if (argc && !strncmp(argv[0], "rec", 3))
- return __cmd_record(argc, argv);
- else if (argc)
+ if (!argc)
usage_with_options(kmem_usage, kmem_options);
- if (list_empty(&caller_sort))
- setup_sorting(&caller_sort, default_sort_order);
- if (list_empty(&alloc_sort))
- setup_sorting(&alloc_sort, default_sort_order);
+ if (!strncmp(argv[0], "rec", 3)) {
+ return __cmd_record(argc, argv);
+ } else if (!strcmp(argv[0], "stat")) {
+ setup_cpunode_map();
- setup_cpunode_map();
+ if (list_empty(&caller_sort))
+ setup_sorting(&caller_sort, default_sort_order);
+ if (list_empty(&alloc_sort))
+ setup_sorting(&alloc_sort, default_sort_order);
- return __cmd_kmem();
+ return __cmd_kmem();
+ }
+
+ return 0;
}
projects / deliverable / linux.git / blobdiff