24 files changed, 1013 insertions, 519 deletions

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index ac6692cf5508..1b9b13ee2a72 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -396,6 +396,7 @@ LIB_H += util/build-id.h
 LIB_H += util/debug.h
 LIB_H += util/debugfs.h
 LIB_H += util/event.h
+LIB_H += util/evsel.h
 LIB_H += util/exec_cmd.h
 LIB_H += util/types.h
 LIB_H += util/levenshtein.h
@@ -404,6 +405,7 @@ LIB_H += util/parse-options.h
 LIB_H += util/parse-events.h
 LIB_H += util/quote.h
 LIB_H += util/util.h
+LIB_H += util/xyarray.h
 LIB_H += util/header.h
 LIB_H += util/help.h
 LIB_H += util/session.h
@@ -433,6 +435,7 @@ LIB_OBJS += $(OUTPUT)util/ctype.o
 LIB_OBJS += $(OUTPUT)util/debugfs.o
 LIB_OBJS += $(OUTPUT)util/environment.o
 LIB_OBJS += $(OUTPUT)util/event.o
+LIB_OBJS += $(OUTPUT)util/evsel.o
 LIB_OBJS += $(OUTPUT)util/exec_cmd.o
 LIB_OBJS += $(OUTPUT)util/help.o
 LIB_OBJS += $(OUTPUT)util/levenshtein.o
@@ -470,6 +473,7 @@ LIB_OBJS += $(OUTPUT)util/sort.o
 LIB_OBJS += $(OUTPUT)util/hist.o
 LIB_OBJS += $(OUTPUT)util/probe-event.o
 LIB_OBJS += $(OUTPUT)util/util.o
+LIB_OBJS += $(OUTPUT)util/xyarray.o
 LIB_OBJS += $(OUTPUT)util/cpumap.o
 
 BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 50efbd509b8f..7bc049035484 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -18,6 +18,7 @@
 
 #include "util/header.h"
 #include "util/event.h"
+#include "util/evsel.h"
 #include "util/debug.h"
 #include "util/session.h"
 #include "util/symbol.h"
@@ -27,18 +28,18 @@
 #include <sched.h>
 #include <sys/mman.h>
 
+#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
+
 enum write_mode_t {
         WRITE_FORCE,
         WRITE_APPEND
 };
 
-static int                      *fd[MAX_NR_CPUS][MAX_COUNTERS];
-
 static u64                      user_interval                   = ULLONG_MAX;
 static u64                      default_interval                =      0;
 static u64                      sample_type;
 
-static int                      nr_cpus                         =      0;
+static struct cpu_map           *cpus;
 static unsigned int             page_size;
 static unsigned int             mmap_pages                      =    128;
 static unsigned int             user_freq                       = UINT_MAX;
@@ -53,8 +54,7 @@ static bool			sample_id_all_avail		=   true;
 static bool                     system_wide                     =  false;
 static pid_t                    target_pid                      =     -1;
 static pid_t                    target_tid                      =     -1;
-static pid_t                    *all_tids                       =      NULL;
-static int                      thread_num                      =      0;
+static struct thread_map        *threads;
 static pid_t                    child_pid                       =     -1;
 static bool                     no_inherit                      =  false;
 static enum write_mode_t        write_mode                      = WRITE_FORCE;
@@ -81,7 +81,6 @@ static struct perf_session	*session;
 static const char               *cpu_list;
 
 struct mmap_data {
-        int                     counter;
         void                    *base;
         unsigned int            mask;
         unsigned int            prev;
@@ -229,12 +228,12 @@ static struct perf_header_attr *get_header_attr(struct perf_event_attr *a, int n
         return h_attr;
 }
 
-static void create_counter(int counter, int cpu)
+static void create_counter(struct perf_evsel *evsel, int cpu)
 {
-        char *filter = filters[counter];
-        struct perf_event_attr *attr = attrs + counter;
+        char *filter = evsel->filter;
+        struct perf_event_attr *attr = &evsel->attr;
         struct perf_header_attr *h_attr;
-        int track = !counter; /* only the first counter needs these */
+        int track = !evsel->idx; /* only the first counter needs these */
         int thread_index;
         int ret;
         struct {
@@ -318,12 +317,11 @@ static void create_counter(int counter, int cpu)
 retry_sample_id:
         attr->sample_id_all = sample_id_all_avail ? 1 : 0;
 
-        for (thread_index = 0; thread_index < thread_num; thread_index++) {
+        for (thread_index = 0; thread_index < threads->nr; thread_index++) {
 try_again:
-                fd[nr_cpu][counter][thread_index] = sys_perf_event_open(attr,
-                                all_tids[thread_index], cpu, group_fd, 0);
+                FD(evsel, nr_cpu, thread_index) = sys_perf_event_open(attr, threads->map[thread_index], cpu, group_fd, 0);
 
-                if (fd[nr_cpu][counter][thread_index] < 0) {
+                if (FD(evsel, nr_cpu, thread_index) < 0) {
                         int err = errno;
 
                         if (err == EPERM || err == EACCES)
@@ -360,7 +358,7 @@ try_again:
                         }
                         printf("\n");
                         error("sys_perf_event_open() syscall returned with %d (%s).  /bin/dmesg may provide additional information.\n",
-                                        fd[nr_cpu][counter][thread_index], strerror(err));
+                              FD(evsel, nr_cpu, thread_index), strerror(err));
 
 #if defined(__i386__) || defined(__x86_64__)
                         if (attr->type == PERF_TYPE_HARDWARE && err == EOPNOTSUPP)
@@ -374,7 +372,7 @@ try_again:
                         exit(-1);