Merge commit 'v2.6.38-rc6' into devicetree/next

Conflicts:
	drivers/spi/pxa2xx_spi_pci.c

6 files changed, 119 insertions, 113 deletions

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index b2f729fdb317..60cac6f92e8b 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -759,8 +759,8 @@ static int __cmd_record(int argc, const char **argv)
 		perf_session__process_machines(session, event__synthesize_guest_os);
 
 	if (!system_wide)
-		event__synthesize_thread(target_tid, process_synthesized_event,
-					 session);
+		event__synthesize_thread_map(threads, process_synthesized_event,
+					     session);
 	else
 		event__synthesize_threads(process_synthesized_event, session);
 
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index b6998e055767..5a29d9cd9486 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1306,7 +1306,7 @@ static int __cmd_top(void)
 		return -ENOMEM;
 
 	if (target_tid != -1)
-		event__synthesize_thread(target_tid, event__process, session);
+		event__synthesize_thread_map(threads, event__process, session);
 	else
 		event__synthesize_threads(event__process, session);
 
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 1478ab4ee222..50d0a931497a 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -263,11 +263,12 @@ static int __event__synthesize_thread(event_t *comm_event, event_t *mmap_event,
 					     process, session);
 }
 
-int event__synthesize_thread(pid_t pid, event__handler_t process,
-			     struct perf_session *session)
+int event__synthesize_thread_map(struct thread_map *threads,
+				 event__handler_t process,
+				 struct perf_session *session)
 {
 	event_t *comm_event, *mmap_event;
-	int err = -1;
+	int err = -1, thread;
 
 	comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size);
 	if (comm_event == NULL)
@@ -277,8 +278,15 @@ int event__synthesize_thread(pid_t pid, event__handler_t process,
 	if (mmap_event == NULL)
 		goto out_free_comm;
 
-	err = __event__synthesize_thread(comm_event, mmap_event, pid,
-					 process, session);
+	err = 0;
+	for (thread = 0; thread < threads->nr; ++thread) {
+		if (__event__synthesize_thread(comm_event, mmap_event,
+					       threads->map[thread],
+					       process, session)) {
+			err = -1;
+			break;
+		}
+	}
 	free(mmap_event);
 out_free_comm:
 	free(comm_event);
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 2b7e91902f10..cc7b52f9b492 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -135,14 +135,16 @@ typedef union event_union {
 void event__print_totals(void);
 
 struct perf_session;
+struct thread_map;
 
 typedef int (*event__handler_synth_t)(event_t *event, 
 				      struct perf_session *session);
 typedef int (*event__handler_t)(event_t *event, struct sample_data *sample,
 				struct perf_session *session);
 
-int event__synthesize_thread(pid_t pid, event__handler_t process,
-			     struct perf_session *session);
+int event__synthesize_thread_map(struct thread_map *threads,
+				 event__handler_t process,
+				 struct perf_session *session);
 int event__synthesize_threads(event__handler_t process,
 			      struct perf_session *session);
 int event__synthesize_kernel_mmap(event__handler_t process,
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index f5cfed60af98..d8575d31ee6c 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -90,7 +90,7 @@ int __perf_evsel__read(struct perf_evsel *evsel,
 	int cpu, thread;
 	struct perf_counts_values *aggr = &evsel->counts->aggr, count;
 
-	aggr->val = 0;
+	aggr->val = aggr->ena = aggr->run = 0;
 
 	for (cpu = 0; cpu < ncpus; cpu++) {
 		for (thread = 0; thread < nthreads; thread++) {
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 4c6983de6fd9..362a0cb448db 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -72,7 +72,7 @@ int need_reinitialize;
 
 int num_cpus;
 
-typedef struct per_cpu_counters {
+struct counters {
 	unsigned long long tsc;		/* per thread */
 	unsigned long long aperf;	/* per thread */
 	unsigned long long mperf;	/* per thread */
@@ -88,13 +88,13 @@ typedef struct per_cpu_counters {
 	int pkg;
 	int core;
 	int cpu;
-	struct per_cpu_counters *next;
-} PCC;
+	struct counters *next;
+};
 
-PCC *pcc_even;
-PCC *pcc_odd;
-PCC *pcc_delta;
-PCC *pcc_average;
+struct counters *cnt_even;
+struct counters *cnt_odd;
+struct counters *cnt_delta;
+struct counters *cnt_average;
 struct timeval tv_even;
 struct timeval tv_odd;
 struct timeval tv_delta;
@@ -125,7 +125,7 @@ unsigned long long get_msr(int cpu, off_t offset)
 	return msr;
 }
 
-void print_header()
+void print_header(void)
 {
 	if (show_pkg)
 		fprintf(stderr, "pkg ");
@@ -160,39 +160,39 @@ void print_header()
 	putc('\n', stderr);
 }
 
-void dump_pcc(PCC *pcc)
+void dump_cnt(struct counters *cnt)
 {
-	fprintf(stderr, "package: %d ", pcc->pkg);
-	fprintf(stderr, "core:: %d ", pcc->core);
-	fprintf(stderr, "CPU: %d ", pcc->cpu);
-	fprintf(stderr, "TSC: %016llX\n", pcc->tsc);
-	fprintf(stderr, "c3: %016llX\n", pcc->c3);
-	fprintf(stderr, "c6: %016llX\n", pcc->c6);
-	fprintf(stderr, "c7: %016llX\n", pcc->c7);
-	fprintf(stderr, "aperf: %016llX\n", pcc->aperf);
-	fprintf(stderr, "pc2: %016llX\n", pcc->pc2);
-	fprintf(stderr, "pc3: %016llX\n", pcc->pc3);
-	fprintf(stderr, "pc6: %016llX\n", pcc->pc6);
-	fprintf(stderr, "pc7: %016llX\n", pcc->pc7);
-	fprintf(stderr, "msr0x%x: %016llX\n", extra_msr_offset, pcc->extra_msr);
+	fprintf(stderr, "package: %d ", cnt->pkg);
+	fprintf(stderr, "core:: %d ", cnt->core);
+	fprintf(stderr, "CPU: %d ", cnt->cpu);
+	fprintf(stderr, "TSC: %016llX\n", cnt->tsc);
+	fprintf(stderr, "c3: %016llX\n", cnt->c3);
+	fprintf(stderr, "c6: %016llX\n", cnt->c6);
+	fprintf(stderr, "c7: %016llX\n", cnt->c7);
+	fprintf(stderr, "aperf: %016llX\n", cnt->aperf);
+	fprintf(stderr, "pc2: %016llX\n", cnt->pc2);
+	fprintf(stderr, "pc3: %016llX\n", cnt->pc3);
+	fprintf(stderr, "pc6: %016llX\n", cnt->pc6);
+	fprintf(stderr, "pc7: %016llX\n", cnt->pc7);
+	fprintf(stderr, "msr0x%x: %016llX\n", extra_msr_offset, cnt->extra_msr);
 }
 
-void dump_list(PCC *pcc)
+void dump_list(struct counters *cnt)
 {
-	printf("dump_list 0x%p\n", pcc);
+	printf("dump_list 0x%p\n", cnt);
 
-	for (; pcc; pcc = pcc->next)
-		dump_pcc(pcc);
+	for (; cnt; cnt = cnt->next)
+		dump_cnt(cnt);
 }
 
-void print_pcc(PCC *p)
+void print_cnt(struct counters *p)
 {
 	double interval_float;
 
 	interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
 
 	/* topology columns, print blanks on 1st (average) line */
-	if (p == pcc_average) {
+	if (p == cnt_average) {
 		if (show_pkg)
 			fprintf(stderr, "    ");
 		if (show_core)
@@ -262,24 +262,24 @@ void print_pcc(PCC *p)
 	putc('\n', stderr);
 }
 
-void print_counters(PCC *cnt)
+void print_counters(struct counters *counters)
 {
-	PCC *pcc;
+	struct counters *cnt;
 
 	print_header();
 
 	if (num_cpus > 1)
-		print_pcc(pcc_average);
+		print_cnt(cnt_average);
 
-	for (pcc = cnt; pcc != NULL; pcc = pcc->next)
-		print_pcc(pcc);
+	for (cnt = counters; cnt != NULL; cnt = cnt->next)
+		print_cnt(cnt);
 
 }
 
 #define SUBTRACT_COUNTER(after, before, delta) (delta = (after - before), (before > after))
 
-
-int compute_delta(PCC *after, PCC *before, PCC *delta)
+int compute_delta(struct counters *after,
+	struct counters *before, struct counters *delta)
 {
 	int errors = 0;
 	int perf_err = 0;
@@ -391,20 +391,20 @@ int compute_delta(PCC *after, PCC *before, PCC *delta)
 		delta->extra_msr = after->extra_msr;
 		if (errors) {
 			fprintf(stderr, "ERROR cpu%d before:\n", before->cpu);
-			dump_pcc(before);
+			dump_cnt(before);
 			fprintf(stderr, "ERROR cpu%d after:\n", before->cpu);
-			dump_pcc(after);
+			dump_cnt(after);
 			errors = 0;
 		}
 	}
 	return 0;
 }
 
-void compute_average(PCC *delta, PCC *avg)
+void compute_average(struct counters *delta, struct counters *avg)
 {
-	PCC *sum;
+	struct counters *sum;
 
-	sum = calloc(1, sizeof(PCC));
+	sum = calloc(1, sizeof(struct counters));
 	if (sum == NULL) {
 		perror("calloc sum");
 		exit(1);
@@ -438,35 +438,34 @@ void compute_average(PCC *delta, PCC *avg)
 	free(sum);
 }
 
-void get_counters(PCC *pcc)
+void get_counters(struct counters *cnt)
 {
-	for ( ; pcc; pcc = pcc->next) {
-		pcc->tsc = get_msr(pcc->cpu, MSR_TSC);
+	for ( ; cnt; cnt = cnt->next) {
+		cnt->tsc = get_msr(cnt->cpu, MSR_TSC);
 		if (do_nhm_cstates)
-			pcc->c3 = get_msr(pcc->cpu, MSR_CORE_C3_RESIDENCY);
+			cnt->c3 = get_msr(cnt->cpu, MSR_CORE_C3_RESIDENCY);
 		if (do_nhm_cstates)
-			pcc->c6 = get_msr(pcc->cpu, MSR_CORE_C6_RESIDENCY);
+			cnt->c6 = get_msr(cnt->cpu, MSR_CORE_C6_RESIDENCY);
 		if (do_snb_cstates)
-			pcc->c7 = get_msr(pcc->cpu, MSR_CORE_C7_RESIDENCY);
+			cnt->c7 = get_msr(cnt->cpu, MSR_CORE_C7_RESIDENCY);
 		if (has_aperf)
-			pcc->aperf = get_msr(pcc->cpu, MSR_APERF);
+			cnt->aperf = get_msr(cnt->cpu, MSR_APERF);
 		if (has_aperf)
-			pcc->mperf = get_msr(pcc->cpu, MSR_MPERF);
+			cnt->mperf = get_msr(cnt->cpu, MSR_MPERF);
 		if (do_snb_cstates)
-			pcc->pc2 = get_msr(pcc->cpu, MSR_PKG_C2_RESIDENCY);
+			cnt->pc2 = get_msr(cnt->cpu, MSR_PKG_C2_RESIDENCY);
 		if (do_nhm_cstates)
-			pcc->pc3 = get_msr(pcc->cpu, MSR_PKG_C3_RESIDENCY);
+			cnt->pc3 = get_msr(cnt->cpu, MSR_PKG_C3_RESIDENCY);
 		if (do_nhm_cstates)
-			pcc->pc6 = get_msr(pcc->cpu, MSR_PKG_C6_RESIDENCY);
+			cnt->pc6 = get_msr(cnt->cpu, MSR_PKG_C6_RESIDENCY);
 		if (do_snb_cstates)
-			pcc->pc7 = get_msr(pcc->cpu, MSR_PKG_C7_RESIDENCY);
+			cnt->pc7 = get_msr(cnt->cpu, MSR_PKG_C7_RESIDENCY);
 		if (extra_msr_offset)
-			pcc->extra_msr = get_msr(pcc->cpu, extra_msr_offset);
+			cnt->extra_msr = get_msr(cnt->cpu, extra_msr_offset);
 	}
 }
 
-
-void print_nehalem_info()
+void print_nehalem_info(void)
 {
 	unsigned long long msr;
 	unsigned int ratio;
@@ -514,38 +513,38 @@ void print_nehalem_info()
 
 }
 
-void free_counter_list(PCC *list)
+void free_counter_list(struct counters *list)
 {
-	PCC *p;
+	struct counters *p;
 
 	for (p = list; p; ) {
-		PCC *free_me;
+		struct counters *free_me;
 
 		free_me = p;
 		p = p->next;
 		free(free_me);
 	}
-	return;
 }
 
 void free_all_counters(void)
 {
-	free_counter_list(pcc_even);
-	pcc_even = NULL;
+	free_counter_list(cnt_even);
+	cnt_even = NULL;
 
-	free_counter_list(pcc_odd);
-	pcc_odd = NULL;
+	free_counter_list(cnt_odd);
+	cnt_odd = NULL;
 
-	free_counter_list(pcc_delta);
-	pcc_delta = NULL;
+	free_counter_list(cnt_delta);
+	cnt_delta = NULL;
 
-	free_counter_list(pcc_average);
-	pcc_average = NULL;
+	free_counter_list(cnt_average);
+	cnt_average = NULL;
 }
 
-void insert_cpu_counters(PCC **list, PCC *new)
+void insert_counters(struct counters **list,
+	struct counters *new)
 {
-	PCC *prev;
+	struct counters *prev;
 
 	/*
 	 * list was empty
@@ -594,18 +593,16 @@ void insert_cpu_counters(PCC **list, PCC *new)
 	 */
 	new->next = prev->next;
 	prev->next = new;
-
-	return;
 }
 
-void alloc_new_cpu_counters(int pkg, int core, int cpu)
+void alloc_new_counters(int pkg, int core, int cpu)
 {
-	PCC *new;
+	struct counters *new;
 
 	if (verbose > 1)
 		printf("pkg%d core%d, cpu%d\n", pkg, core, cpu);
 
-	new = (PCC *)calloc(1, sizeof(PCC));
+	new = (struct counters *)calloc(1, sizeof(struct counters));
 	if (new == NULL) {
 		perror("calloc");
 		exit(1);
@@ -613,9 +610,10 @@ void alloc_new_cpu_counters(int pkg, int core, int cpu)
 	new->pkg = pkg;
 	new->core = core;
 	new->cpu = cpu;
-	insert_cpu_counters(&pcc_odd, new);
+	insert_counters(&cnt_odd, new);
 
-	new = (PCC *)calloc(1, sizeof(PCC));
+	new = (struct counters *)calloc(1,
+		sizeof(struct counters));
 	if (new == NULL) {
 		perror("calloc");
 		exit(1);
@@ -623,9 +621,9 @@ void alloc_new_cpu_counters(int pkg, int core, int cpu)
 	new->pkg = pkg;
 	new->core = core;
 	new->cpu = cpu;
-	insert_cpu_counters(&pcc_even, new);
+	insert_counters(&cnt_even, new);
 
-	new = (PCC *)calloc(1, sizeof(PCC));
+	new = (struct counters *)calloc(1, sizeof(struct counters));
 	if (new == NULL) {
 		perror("calloc");
 		exit(1);
@@ -633,9 +631,9 @@ void alloc_new_cpu_counters(int pkg, int core, int cpu)
 	new->pkg = pkg;
 	new->core = core;
 	new->cpu = cpu;
-	insert_cpu_counters(&pcc_delta, new);
+	insert_counters(&cnt_delta, new);
 
-	new = (PCC *)calloc(1, sizeof(PCC));
+	new = (struct counters *)calloc(1, sizeof(struct counters));
 	if (new == NULL) {
 		perror("calloc");
 		exit(1);
@@ -643,7 +641,7 @@ void alloc_new_cpu_counters(int pkg, int core, int cpu)
 	new->pkg = pkg;
 	new->core = core;
 	new->cpu = cpu;
-	pcc_average = new;
+	cnt_average = new;
 }
 
 int get_physical_package_id(int cpu)
@@ -719,7 +717,7 @@ void re_initialize(void)
 {
 	printf("turbostat: topology changed, re-initializing.\n");
 	free_all_counters();
-	num_cpus = for_all_cpus(alloc_new_cpu_counters);
+	num_cpus = for_all_cpus(alloc_new_counters);
 	need_reinitialize = 0;
 	printf("num_cpus is now %d\n", num_cpus);
 }
@@ -728,7 +726,7 @@ void dummy(int pkg, int core, int cpu) { return; }
 /*
  * check to see if a cpu came on-line
  */
-void verify_num_cpus()
+void verify_num_cpus(void)
 {
 	int new_num_cpus;
 
@@ -740,14 +738,12 @@ void verify_num_cpus()
 				num_cpus, new_num_cpus);
 		need_reinitialize = 1;
 	}
-
-	return;
 }
 
 void turbostat_loop()
 {
 restart:
-	get_counters(pcc_even);
+	get_counters(cnt_even);
 	gettimeofday(&tv_even, (struct timezone *)NULL);
 
 	while (1) {
@@ -757,24 +753,24 @@ restart:
 			goto restart;
 		}
 		sleep(interval_sec);
-		get_counters(pcc_odd);
+		get_counters(cnt_odd);
 		gettimeofday(&tv_odd, (struct timezone *)NULL);
 
-		compute_delta(pcc_odd, pcc_even, pcc_delta);
+		compute_delta(cnt_odd, cnt_even, cnt_delta);
 		timersub(&tv_odd, &tv_even, &tv_delta);
-		compute_average(pcc_delta, pcc_average);
-		print_counters(pcc_delta);
+		compute_average(cnt_delta, cnt_average);
+		print_counters(cnt_delta);
 		if (need_reinitialize) {
 			re_initialize();
 			goto restart;
 		}
 		sleep(interval_sec);
-		get_counters(pcc_even);
+		get_counters(cnt_even);
 		gettimeofday(&tv_even, (struct timezone *)NULL);
-		compute_delta(pcc_even, pcc_odd, pcc_delta);
+		compute_delta(cnt_even, cnt_odd, cnt_delta);
 		timersub(&tv_even, &tv_odd, &tv_delta);
-		compute_average(pcc_delta, pcc_average);
-		print_counters(pcc_delta);
+		compute_average(cnt_delta, cnt_average);
+		print_counters(cnt_delta);
 	}
 }
 
@@ -892,7 +888,7 @@ void check_cpuid()
 	 * this check is valid for both Intel and AMD
 	 */
 	asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000007));
-	has_invariant_tsc = edx && (1 << 8);
+	has_invariant_tsc = edx & (1 << 8);
 
 	if (!has_invariant_tsc) {
 		fprintf(stderr, "No invariant TSC\n");
@@ -905,7 +901,7 @@ void check_cpuid()
 	 */
 
 	asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x6));
-	has_aperf = ecx && (1 << 0);
+	has_aperf = ecx & (1 << 0);
 	if (!has_aperf) {
 		fprintf(stderr, "No APERF MSR\n");
 		exit(1);
@@ -952,7 +948,7 @@ void turbostat_init()
 	check_dev_msr();
 	check_super_user();
 
-	num_cpus = for_all_cpus(alloc_new_cpu_counters);
+	num_cpus = for_all_cpus(alloc_new_counters);
 
 	if (verbose)
 		print_nehalem_info();
@@ -962,7 +958,7 @@ int fork_it(char **argv)
 {
 	int retval;
 	pid_t child_pid;
-	get_counters(pcc_even);
+	get_counters(cnt_even);
 	gettimeofday(&tv_even, (struct timezone *)NULL);
 
 	child_pid = fork();
@@ -985,14 +981,14 @@ int fork_it(char **argv)
 			exit(1);
 		}
 	}
-	get_counters(pcc_odd);
+	get_counters(cnt_odd);
 	gettimeofday(&tv_odd, (struct timezone *)NULL);
-	retval = compute_delta(pcc_odd, pcc_even, pcc_delta);
+	retval = compute_delta(cnt_odd, cnt_even, cnt_delta);
 
 	timersub(&tv_odd, &tv_even, &tv_delta);
-	compute_average(pcc_delta, pcc_average);
+	compute_average(cnt_delta, cnt_average);
 	if (!retval)
-		print_counters(pcc_delta);
+		print_counters(cnt_delta);
 
 	fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);;