From: Ingo Molnar <mingo@elte.hu>
Date: Sat, 15 Aug 2009 10:06:12 +0000 (+0200)
Subject: Merge branch 'perfcounters/urgent' into perfcounters/core
X-Git-Tag: Ubuntu-5.10.0-12.13~31701^2~43
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=be750231ce1599b86fbba213e3da8344ece262e2;p=mirror_ubuntu-hirsute-kernel.git

Merge branch 'perfcounters/urgent' into perfcounters/core

Conflicts:
	kernel/perf_counter.c

Merge reason: update to latest upstream (-rc6) and resolve
              the conflict with urgent fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

be750231ce1599b86fbba213e3da8344ece262e2
diff --cc arch/x86/kernel/cpu/perf_counter.c
index b237c181aa41,900332b800f8..396e35db7058
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@@ -97,10 -55,9 +97,11 @@@ struct x86_pmu 
  	int		num_counters_fixed;
  	int		counter_bits;
  	u64		counter_mask;
+ 	int		apic;
  	u64		max_period;
  	u64		intel_ctrl;
 +	void		(*enable_bts)(u64 config);
 +	void		(*disable_bts)(void);
  };
  
  static struct x86_pmu x86_pmu __read_mostly;
@@@ -704,106 -663,9 +710,107 @@@ static void release_pmc_hardware(void
  
  	if (nmi_watchdog == NMI_LOCAL_APIC)
  		enable_lapic_nmi_watchdog();
+ #endif
  }
  
 +static inline bool bts_available(void)
 +{
 +	return x86_pmu.enable_bts != NULL;
 +}
 +
 +static inline void init_debug_store_on_cpu(int cpu)
 +{
 +	struct debug_store *ds = per_cpu(cpu_hw_counters, cpu).ds;
 +
 +	if (!ds)
 +		return;
 +
 +	wrmsr_on_cpu(cpu, MSR_IA32_DS_AREA,
 +		     (u32)((u64)(long)ds), (u32)((u64)(long)ds >> 32));
 +}
 +
 +static inline void fini_debug_store_on_cpu(int cpu)
 +{
 +	if (!per_cpu(cpu_hw_counters, cpu).ds)
 +		return;
 +
 +	wrmsr_on_cpu(cpu, MSR_IA32_DS_AREA, 0, 0);
 +}
 +
 +static void release_bts_hardware(void)
 +{
 +	int cpu;
 +
 +	if (!bts_available())
 +		return;
 +
 +	get_online_cpus();
 +
 +	for_each_online_cpu(cpu)
 +		fini_debug_store_on_cpu(cpu);
 +
 +	for_each_possible_cpu(cpu) {
 +		struct debug_store *ds = per_cpu(cpu_hw_counters, cpu).ds;
 +
 +		if (!ds)
 +			continue;
 +
 +		per_cpu(cpu_hw_counters, cpu).ds = NULL;
 +
 +		kfree((void *)(long)ds->bts_buffer_base);
 +		kfree(ds);
 +	}
 +
 +	put_online_cpus();
 +}
 +
 +static int reserve_bts_hardware(void)
 +{
 +	int cpu, err = 0;
 +
 +	if (!bts_available())
 +		return -EOPNOTSUPP;
 +
 +	get_online_cpus();
 +
 +	for_each_possible_cpu(cpu) {
 +		struct debug_store *ds;
 +		void *buffer;
 +
 +		err = -ENOMEM;
 +		buffer = kzalloc(BTS_BUFFER_SIZE, GFP_KERNEL);
 +		if (unlikely(!buffer))
 +			break;
 +
 +		ds = kzalloc(sizeof(*ds), GFP_KERNEL);
 +		if (unlikely(!ds)) {
 +			kfree(buffer);
 +			break;
 +		}
 +
 +		ds->bts_buffer_base = (u64)(long)buffer;
 +		ds->bts_index = ds->bts_buffer_base;
 +		ds->bts_absolute_maximum =
 +			ds->bts_buffer_base + BTS_BUFFER_SIZE;
 +		ds->bts_interrupt_threshold =
 +			ds->bts_absolute_maximum - BTS_OVFL_TH;
 +
 +		per_cpu(cpu_hw_counters, cpu).ds = ds;
 +		err = 0;
 +	}
 +
 +	if (err)
 +		release_bts_hardware();
 +	else {
 +		for_each_online_cpu(cpu)
 +			init_debug_store_on_cpu(cpu);
 +	}
 +
 +	put_online_cpus();
 +
 +	return err;
 +}
 +
  static void hw_perf_counter_destroy(struct perf_counter *counter)
  {
  	if (atomic_dec_and_mutex_lock(&active_counters, &pmc_reserve_mutex)) {
diff --cc tools/perf/builtin-report.c
index 93945ecdac86,b53a60fc12de..6321951fe1bf
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@@ -1360,9 -1611,9 +1361,9 @@@ static in
  process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
  {
  	struct thread *thread = threads__findnew(event->mmap.pid);
 -	struct map *map = map__new(&event->mmap);
 +	struct map *map = map__new(&event->mmap, cwd, cwdlen);
  
- 	dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
+ 	dprintf("%p [%p]: PERF_EVENT_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
  		(void *)(offset + head),
  		(void *)(long)(event->header.size),
  		event->mmap.pid,
diff --cc tools/perf/util/symbol.h
index 50f723571241,b53bf0125c1b..48b8e5759af9
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@@ -6,8 -6,31 +6,32 @@@
  #include <linux/list.h>
  #include <linux/rbtree.h>
  #include "module.h"
 +#include "event.h"
  
+ #ifdef HAVE_CPLUS_DEMANGLE
+ extern char *cplus_demangle(const char *, int);
+ 
+ static inline char *bfd_demangle(void __used *v, const char *c, int i)
+ {
+ 	return cplus_demangle(c, i);
+ }
+ #else
+ #ifdef NO_DEMANGLE
+ static inline char *bfd_demangle(void __used *v, const char __used *c,
+ 				 int __used i)
+ {
+ 	return NULL;
+ }
+ #else
+ #include <bfd.h>
+ #endif
+ #endif
+ 
+ #ifndef DMGL_PARAMS
+ #define DMGL_PARAMS      (1 << 0)       /* Include function args */
+ #define DMGL_ANSI        (1 << 1)       /* Include const, volatile, etc */
+ #endif
+ 
  struct symbol {
  	struct rb_node	rb_node;
  	u64		start;