Patches contributed by Eötvös Lorand University
commit 932fed4e2e42c3d730c01bb63b1c4f812c533d5b
Merge: 57d524154ffe 693d92a1bbc9
Author: Ingo Molnar <mingo@elte.hu>
Date: Tue May 10 17:05:24 2011 +0200
Merge commit 'v2.6.39-rc7' into perf/core
Merge reason: pull in the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
commit 4cb1f43ce8c72ee453c00fcb9f6ee9c4ebd03f98
Merge: 9de4966a4d21 0ee5623f9a6e
Author: Ingo Molnar <mingo@elte.hu>
Date: Sat May 7 10:51:38 2011 +0200
Merge commit 'v2.6.39-rc6' into x86/cleanups
Merge reason: move to a (much) newer upstream base.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --cc arch/x86/kernel/mpparse.c
index ef32d4c09c64,5a532ce646bf..ef59817357fc
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@@ -727,8 -725,12 +723,12 @@@ check_slot(unsigned long mpc_new_phys,
return -1;
}
- return ret;
+ return 0;
}
+ #else /* CONFIG_X86_IO_APIC */
+ static
+ inline void __init check_irq_src(struct mpc_intsrc *m, int *nr_m_spare) {}
+ #endif /* CONFIG_X86_IO_APIC */
static int __init replace_intsrc_all(struct mpc_table *mpc,
unsigned long mpc_new_phys,
commit 57d524154ffe99d27fb55e0e30ddbad9f4c35806
Merge: e04d1b23f970 c63ca0c01d73
Author: Ingo Molnar <mingo@elte.hu>
Date: Fri May 6 21:07:33 2011 +0200
Merge branch 'perf/stat' into perf/core
Merge reason: the perf stat improvements are tested and ready now.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
commit 4d70230bb46859df6295744f7dcf8c560f01fb8f
Merge: 98bb318864ed bfd412db9e7b
Author: Ingo Molnar <mingo@elte.hu>
Date: Fri May 6 08:11:28 2011 +0200
Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into perf/urgent
commit 98bb318864ed10ae374573f1382147f113642059
Merge: 5933f2ae353a e0ac8457d020
Author: Ingo Molnar <mingo@elte.hu>
Date: Wed May 4 20:33:42 2011 +0200
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/urgent
commit e7e7ee2eab2080248084d71fe0a115ab745eb2aa
Author: Ingo Molnar <mingo@elte.hu>
Date: Wed May 4 08:42:29 2011 +0200
perf events: Clean up definitions and initializers, update copyrights
Fix a few inconsistent style bits that were added over the past few
months.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-yv4hwf9yhnzoada8pcpb3a97@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 9eec53d97370..207c16976a17 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -2,8 +2,8 @@
* Performance events:
*
* Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de>
- * Copyright (C) 2008-2009, Red Hat, Inc., Ingo Molnar
- * Copyright (C) 2008-2009, Red Hat, Inc., Peter Zijlstra
+ * Copyright (C) 2008-2011, Red Hat, Inc., Ingo Molnar
+ * Copyright (C) 2008-2011, Red Hat, Inc., Peter Zijlstra
*
* Data type definitions, declarations, prototypes.
*
@@ -468,9 +468,9 @@ enum perf_callchain_context {
PERF_CONTEXT_MAX = (__u64)-4095,
};
-#define PERF_FLAG_FD_NO_GROUP (1U << 0)
-#define PERF_FLAG_FD_OUTPUT (1U << 1)
-#define PERF_FLAG_PID_CGROUP (1U << 2) /* pid=cgroup id, per-cpu mode only */
+#define PERF_FLAG_FD_NO_GROUP (1U << 0)
+#define PERF_FLAG_FD_OUTPUT (1U << 1)
+#define PERF_FLAG_PID_CGROUP (1U << 2) /* pid=cgroup id, per-cpu mode only */
#ifdef __KERNEL__
/*
@@ -484,9 +484,9 @@ enum perf_callchain_context {
#endif
struct perf_guest_info_callbacks {
- int (*is_in_guest) (void);
- int (*is_user_mode) (void);
- unsigned long (*get_guest_ip) (void);
+ int (*is_in_guest)(void);
+ int (*is_user_mode)(void);
+ unsigned long (*get_guest_ip)(void);
};
#ifdef CONFIG_HAVE_HW_BREAKPOINT
@@ -652,19 +652,19 @@ struct pmu {
* Start the transaction, after this ->add() doesn't need to
* do schedulability tests.
*/
- void (*start_txn) (struct pmu *pmu); /* optional */
+ void (*start_txn) (struct pmu *pmu); /* optional */
/*
* If ->start_txn() disabled the ->add() schedulability test
* then ->commit_txn() is required to perform one. On success
* the transaction is closed. On error the transaction is kept
* open until ->cancel_txn() is called.
*/
- int (*commit_txn) (struct pmu *pmu); /* optional */
+ int (*commit_txn) (struct pmu *pmu); /* optional */
/*
* Will cancel the transaction, assumes ->del() is called
* for each successful ->add() during the transaction.
*/
- void (*cancel_txn) (struct pmu *pmu); /* optional */
+ void (*cancel_txn) (struct pmu *pmu); /* optional */
};
/**
@@ -712,15 +712,15 @@ typedef void (*perf_overflow_handler_t)(struct perf_event *, int,
struct pt_regs *regs);
enum perf_group_flag {
- PERF_GROUP_SOFTWARE = 0x1,
+ PERF_GROUP_SOFTWARE = 0x1,
};
-#define SWEVENT_HLIST_BITS 8
-#define SWEVENT_HLIST_SIZE (1 << SWEVENT_HLIST_BITS)
+#define SWEVENT_HLIST_BITS 8
+#define SWEVENT_HLIST_SIZE (1 << SWEVENT_HLIST_BITS)
struct swevent_hlist {
- struct hlist_head heads[SWEVENT_HLIST_SIZE];
- struct rcu_head rcu_head;
+ struct hlist_head heads[SWEVENT_HLIST_SIZE];
+ struct rcu_head rcu_head;
};
#define PERF_ATTACH_CONTEXT 0x01
@@ -733,13 +733,13 @@ struct swevent_hlist {
* This is a per-cpu dynamically allocated data structure.
*/
struct perf_cgroup_info {
- u64 time;
- u64 timestamp;
+ u64 time;
+ u64 timestamp;
};
struct perf_cgroup {
- struct cgroup_subsys_state css;
- struct perf_cgroup_info *info; /* timing info, one per cpu */
+ struct cgroup_subsys_state css;
+ struct perf_cgroup_info *info; /* timing info, one per cpu */
};
#endif
@@ -923,7 +923,7 @@ struct perf_event_context {
/*
* Number of contexts where an event can trigger:
- * task, softirq, hardirq, nmi.
+ * task, softirq, hardirq, nmi.
*/
#define PERF_NR_CONTEXTS 4
@@ -1001,8 +1001,7 @@ struct perf_sample_data {
struct perf_raw_record *raw;
};
-static inline
-void perf_sample_data_init(struct perf_sample_data *data, u64 addr)
+static inline void perf_sample_data_init(struct perf_sample_data *data, u64 addr)
{
data->addr = addr;
data->raw = NULL;
@@ -1039,8 +1038,7 @@ extern struct jump_label_key perf_swevent_enabled[PERF_COUNT_SW_MAX];
extern void __perf_sw_event(u32, u64, int, struct pt_regs *, u64);
#ifndef perf_arch_fetch_caller_regs
-static inline void
-perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip) { }
+static inline void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip) { }
#endif
/*
@@ -1080,8 +1078,7 @@ static inline void perf_event_task_sched_in(struct task_struct *task)
__perf_event_task_sched_in(task);
}
-static inline
-void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
+static inline void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
{
perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, NULL, 0);
@@ -1099,14 +1096,10 @@ extern void perf_event_fork(struct task_struct *tsk);
/* Callchains */
DECLARE_PER_CPU(struct perf_callchain_entry, perf_callchain_entry);
-extern void perf_callchain_user(struct perf_callchain_entry *entry,
- struct pt_regs *regs);
-extern void perf_callchain_kernel(struct perf_callchain_entry *entry,
- struct pt_regs *regs);
-
+extern void perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs);
+extern void perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs);
-static inline void
-perf_callchain_store(struct perf_callchain_entry *entry, u64 ip)
+static inline void perf_callchain_store(struct perf_callchain_entry *entry, u64 ip)
{
if (entry->nr < PERF_MAX_STACK_DEPTH)
entry->ip[entry->nr++] = ip;
@@ -1142,9 +1135,9 @@ extern void perf_tp_event(u64 addr, u64 count, void *record,
extern void perf_bp_event(struct perf_event *event, void *data);
#ifndef perf_misc_flags
-#define perf_misc_flags(regs) (user_mode(regs) ? PERF_RECORD_MISC_USER : \
- PERF_RECORD_MISC_KERNEL)
-#define perf_instruction_pointer(regs) instruction_pointer(regs)
+# define perf_misc_flags(regs) \
+ (user_mode(regs) ? PERF_RECORD_MISC_USER : PERF_RECORD_MISC_KERNEL)
+# define perf_instruction_pointer(regs) instruction_pointer(regs)
#endif
extern int perf_output_begin(struct perf_output_handle *handle,
@@ -1179,9 +1172,9 @@ static inline void
perf_bp_event(struct perf_event *event, void *data) { }
static inline int perf_register_guest_info_callbacks
-(struct perf_guest_info_callbacks *callbacks) { return 0; }
+(struct perf_guest_info_callbacks *callbacks) { return 0; }
static inline int perf_unregister_guest_info_callbacks
-(struct perf_guest_info_callbacks *callbacks) { return 0; }
+(struct perf_guest_info_callbacks *callbacks) { return 0; }
static inline void perf_event_mmap(struct vm_area_struct *vma) { }
static inline void perf_event_comm(struct task_struct *tsk) { }
@@ -1194,23 +1187,22 @@ static inline void perf_event_disable(struct perf_event *event) { }
static inline void perf_event_task_tick(void) { }
#endif
-#define perf_output_put(handle, x) \
- perf_output_copy((handle), &(x), sizeof(x))
+#define perf_output_put(handle, x) perf_output_copy((handle), &(x), sizeof(x))
/*
* This has to have a higher priority than migration_notifier in sched.c.
*/
-#define perf_cpu_notifier(fn) \
-do { \
- static struct notifier_block fn##_nb __cpuinitdata = \
- { .notifier_call = fn, .priority = CPU_PRI_PERF }; \
- fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE, \
- (void *)(unsigned long)smp_processor_id()); \
- fn(&fn##_nb, (unsigned long)CPU_STARTING, \
- (void *)(unsigned long)smp_processor_id()); \
- fn(&fn##_nb, (unsigned long)CPU_ONLINE, \
- (void *)(unsigned long)smp_processor_id()); \
- register_cpu_notifier(&fn##_nb); \
+#define perf_cpu_notifier(fn) \
+do { \
+ static struct notifier_block fn##_nb __cpuinitdata = \
+ { .notifier_call = fn, .priority = CPU_PRI_PERF }; \
+ fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE, \
+ (void *)(unsigned long)smp_processor_id()); \
+ fn(&fn##_nb, (unsigned long)CPU_STARTING, \
+ (void *)(unsigned long)smp_processor_id()); \
+ fn(&fn##_nb, (unsigned long)CPU_ONLINE, \
+ (void *)(unsigned long)smp_processor_id()); \
+ register_cpu_notifier(&fn##_nb); \
} while (0)
#endif /* __KERNEL__ */
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 440bc485bbff..0fc34a370ba4 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2,8 +2,8 @@
* Performance events core code:
*
* Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de>
- * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar
- * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
+ * Copyright (C) 2008-2011 Red Hat, Inc., Ingo Molnar
+ * Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
* Copyright ? 2009 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com>
*
* For licensing details see kernel-base/COPYING
@@ -39,10 +39,10 @@
#include <asm/irq_regs.h>
struct remote_function_call {
- struct task_struct *p;
- int (*func)(void *info);
- void *info;
- int ret;
+ struct task_struct *p;
+ int (*func)(void *info);
+ void *info;
+ int ret;
};
static void remote_function(void *data)
@@ -76,10 +76,10 @@ static int
task_function_call(struct task_struct *p, int (*func) (void *info), void *info)
{
struct remote_function_call data = {
- .p = p,
- .func = func,
- .info = info,
- .ret = -ESRCH, /* No such (running) process */
+ .p = p,
+ .func = func,
+ .info = info,
+ .ret = -ESRCH, /* No such (running) process */
};
if (task_curr(p))
@@ -100,10 +100,10 @@ task_function_call(struct task_struct *p, int (*func) (void *info), void *info)
static int cpu_function_call(int cpu, int (*func) (void *info), void *info)
{
struct remote_function_call data = {
- .p = NULL,
- .func = func,
- .info = info,
- .ret = -ENXIO, /* No such CPU */
+ .p = NULL,
+ .func = func,
+ .info = info,
+ .ret = -ENXIO, /* No such CPU */
};
smp_call_function_single(cpu, remote_function, &data, 1);
@@ -7445,11 +7445,11 @@ static void perf_cgroup_exit(struct cgroup_subsys *ss, struct cgroup *cgrp,
}
struct cgroup_subsys perf_subsys = {
- .name = "perf_event",
- .subsys_id = perf_subsys_id,
- .create = perf_cgroup_create,
- .destroy = perf_cgroup_destroy,
- .exit = perf_cgroup_exit,
- .attach = perf_cgroup_attach,
+ .name = "perf_event",
+ .subsys_id = perf_subsys_id,
+ .create = perf_cgroup_create,
+ .destroy = perf_cgroup_destroy,
+ .exit = perf_cgroup_exit,
+ .attach = perf_cgroup_attach,
};
#endif /* CONFIG_CGROUP_PERF */
commit ac0a3260f37b8616da8d33488ec94b94e6ae5b31
Merge: 809435ff4f43 b9df92d2a94e
Author: Ingo Molnar <mingo@elte.hu>
Date: Sun May 1 19:11:42 2011 +0200
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
commit 809435ff4f43a5c0cb0201b3b89176253d5ade18
Merge: 32673822e440 058e297d34a4
Author: Ingo Molnar <mingo@elte.hu>
Date: Sun May 1 19:09:39 2011 +0200
Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
commit 947b4ad1d198b7303ecc961f4939a331be0c48f0
Author: Ingo Molnar <mingo@elte.hu>
Date: Fri Apr 29 22:52:42 2011 +0200
perf list: Fix max event string size
Recent stalled-cycles event names were larger than the 40 chars printout
used by perf list.
Extend that, make it robust for future extensions and also adjust alignments
in face of wider event names.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/n/tip-7y40wib8n009io7hjpn1dsrm@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 8a407f3e286f..ffa493a24333 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -929,7 +929,7 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob)
snprintf(evt_path, MAXPATHLEN, "%s:%s",
sys_dirent.d_name, evt_dirent.d_name);
- printf(" %-42s [%s]\n", evt_path,
+ printf(" %-50s [%s]\n", evt_path,
event_type_descriptors[PERF_TYPE_TRACEPOINT]);
}
closedir(evt_dir);
@@ -994,7 +994,7 @@ void print_events_type(u8 type)
else
snprintf(name, sizeof(name), "%s", syms->symbol);
- printf(" %-42s [%s]\n", name,
+ printf(" %-50s [%s]\n", name,
event_type_descriptors[type]);
}
}
@@ -1012,11 +1012,10 @@ int print_hwcache_events(const char *event_glob)
for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
char *name = event_cache_name(type, op, i);
- if (event_glob != NULL &&
- !strglobmatch(name, event_glob))
+ if (event_glob != NULL && !strglobmatch(name, event_glob))
continue;
- printf(" %-42s [%s]\n", name,
+ printf(" %-50s [%s]\n", name,
event_type_descriptors[PERF_TYPE_HW_CACHE]);
++printed;
}
@@ -1026,14 +1025,16 @@ int print_hwcache_events(const char *event_glob)
return printed;
}
+#define MAX_NAME_LEN 100
+
/*
* Print the help text for the event symbols:
*/
void print_events(const char *event_glob)
{
- struct event_symbol *syms = event_symbols;
unsigned int i, type, prev_type = -1, printed = 0, ntypes_printed = 0;
- char name[40];
+ struct event_symbol *syms = event_symbols;
+ char name[MAX_NAME_LEN];
printf("\n");
printf("List of pre-defined events (to be used in -e):\n");
@@ -1053,10 +1054,10 @@ void print_events(const char *event_glob)
continue;
if (strlen(syms->alias))
- sprintf(name, "%s OR %s", syms->symbol, syms->alias);
+ snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
else
- strcpy(name, syms->symbol);
- printf(" %-42s [%s]\n", name,
+ strncpy(name, syms->symbol, MAX_NAME_LEN);
+ printf(" %-50s [%s]\n", name,
event_type_descriptors[type]);
prev_type = type;
@@ -1073,12 +1074,12 @@ void print_events(const char *event_glob)
return;
printf("\n");
- printf(" %-42s [%s]\n",
+ printf(" %-50s [%s]\n",
"rNNN (see 'perf list --help' on how to encode it)",
event_type_descriptors[PERF_TYPE_RAW]);
printf("\n");
- printf(" %-42s [%s]\n",
+ printf(" %-50s [%s]\n",
"mem:<addr>[:access]",
event_type_descriptors[PERF_TYPE_BREAKPOINT]);
printf("\n");
commit 301120396b766ae4480e52ece220516a1707822b
Author: Ingo Molnar <mingo@elte.hu>
Date: Sat Apr 30 09:14:54 2011 +0200
perf events, x86: Add Westmere stalled-cycles-frontend/backend events
Extend the Intel Westmere PMU driver with definitions for generic front-end and
back-end stall events.
( These are only approximations. )
Reported-by: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/n/tip-7y40wib8n008io7hjpn1dsrm@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 7983b9a9533b..be8363adf4e2 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1458,6 +1458,12 @@ static __init int intel_pmu_init(void)
x86_pmu.enable_all = intel_pmu_nhm_enable_all;
x86_pmu.pebs_constraints = intel_westmere_pebs_event_constraints;
x86_pmu.extra_regs = intel_westmere_extra_regs;
+
+ /* UOPS_ISSUED.STALLED_CYCLES */
+ intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x180010e;
+ /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */
+ intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x1803fb1;
+
pr_cont("Westmere events, ");
break;