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--- linux-2.6.29.perfctr26/CREDITS.~1~ 2009-03-24 18:00:31.000000000 +0100
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+++ linux-2.6.29.perfctr26/CREDITS 2009-03-24 18:49:12.000000000 +0100
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@@ -2755,6 +2755,7 @@ N: Mikael Pettersson
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E: mikpe@it.uu.se
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W: http://user.it.uu.se/~mikpe/linux/
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D: Miscellaneous fixes
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+D: Performance-monitoring counters driver
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N: Reed H. Petty
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E: rhp@draper.net
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--- linux-2.6.29.perfctr26/Documentation/ioctl/ioctl-number.txt.~1~ 2009-03-24 18:00:31.000000000 +0100
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+++ linux-2.6.29.perfctr26/Documentation/ioctl/ioctl-number.txt 2009-03-24 18:49:12.000000000 +0100
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@@ -197,6 +197,8 @@ Code Seq# Include File Comments
|
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0xB1 00-1F PPPoX <mailto:mostrows@styx.uwaterloo.ca>
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0xCB 00-1F CBM serial IEC bus in development:
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<mailto:michael.klein@puffin.lb.shuttle.de>
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+0xD0 all performance counters see drivers/perfctr/
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+ <mailto:mikpe@it.uu.se>
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0xDD 00-3F ZFCP device driver see drivers/s390/scsi/
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<mailto:aherrman@de.ibm.com>
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0xF3 00-3F video/sisfb.h sisfb (in development)
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--- linux-2.6.29.perfctr26/MAINTAINERS.~1~ 2009-03-24 18:00:31.000000000 +0100
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+++ linux-2.6.29.perfctr26/MAINTAINERS 2009-03-24 18:49:12.000000000 +0100
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@@ -3408,6 +3408,12 @@ M: balbir@linux.vnet.ibm.com
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L: linux-kernel@vger.kernel.org
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S: Maintained
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+PERFORMANCE-MONITORING COUNTERS DRIVER
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+P: Mikael Pettersson
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+M: mikpe@it.uu.se
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+W: http://user.it.uu.se/~mikpe/linux/perfctr/
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+S: Maintained
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+
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PERSONALITY HANDLING
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P: Christoph Hellwig
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M: hch@infradead.org
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--- linux-2.6.29.perfctr26/arch/arm/Kconfig.~1~ 2009-03-24 18:00:31.000000000 +0100
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+++ linux-2.6.29.perfctr26/arch/arm/Kconfig 2009-03-24 18:49:12.000000000 +0100
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@@ -696,6 +696,10 @@ config IWMMXT
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Enable support for iWMMXt context switching at run time if
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running on a CPU that supports it.
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+if CPU_XSCALE
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+source drivers/perfctr/Kconfig
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+endif
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+
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# bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER
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config XSCALE_PMU
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bool
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--- linux-2.6.29.perfctr26/arch/arm/include/asm/processor.h.~1~ 2009-03-24 18:00:31.000000000 +0100
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+++ linux-2.6.29.perfctr26/arch/arm/include/asm/processor.h 2009-03-24 18:49:12.000000000 +0100
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@@ -50,6 +50,10 @@ struct thread_struct {
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unsigned long error_code;
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/* debugging */
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struct debug_info debug;
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+
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+#ifdef CONFIG_PERFCTR_VIRTUAL
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+ struct vperfctr *perfctr; /* performance counters */
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+#endif
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};
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#define INIT_THREAD { }
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--- linux-2.6.29.perfctr26/arch/arm/include/asm/system.h.~1~ 2009-03-24 18:00:31.000000000 +0100
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+++ linux-2.6.29.perfctr26/arch/arm/include/asm/system.h 2009-03-24 18:49:12.000000000 +0100
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@@ -209,7 +209,9 @@ extern struct task_struct *__switch_to(s
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#define switch_to(prev,next,last) \
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a1973e |
do { \
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+ perfctr_suspend_thread(&(prev)->thread); \
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last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \
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+ perfctr_resume_thread(&(current)->thread); \
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} while (0)
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#if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110)
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--- linux-2.6.29.perfctr26/arch/arm/kernel/process.c.~1~ 2008-12-25 15:54:13.000000000 +0100
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+++ linux-2.6.29.perfctr26/arch/arm/kernel/process.c 2009-03-24 18:49:12.000000000 +0100
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@@ -26,6 +26,7 @@
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#include <linux/cpu.h>
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#include <linux/elfcore.h>
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#include <linux/pm.h>
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+#include <linux/perfctr.h>
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#include <linux/tick.h>
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#include <linux/utsname.h>
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#include <linux/uaccess.h>
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@@ -272,6 +273,7 @@ void show_regs(struct pt_regs * regs)
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*/
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void exit_thread(void)
|
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{
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|
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a1973e |
+ perfctr_exit_thread(¤t->thread);
|
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a1973e |
}
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a1973e |
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ATOMIC_NOTIFIER_HEAD(thread_notify_head);
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@@ -317,6 +319,8 @@ copy_thread(int nr, unsigned long clone_
|
|
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if (clone_flags & CLONE_SETTLS)
|
|
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thread->tp_value = regs->ARM_r3;
|
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a1973e |
|
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+ perfctr_copy_task(p, regs);
|
|
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+
|
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return 0;
|
|
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a1973e |
}
|
|
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a1973e |
|
|
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a1973e |
--- linux-2.6.29.perfctr26/arch/powerpc/include/asm/processor.h.~1~ 2009-03-24 18:00:33.000000000 +0100
|
|
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a1973e |
+++ linux-2.6.29.perfctr26/arch/powerpc/include/asm/processor.h 2009-03-24 18:49:12.000000000 +0100
|
|
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a1973e |
@@ -197,6 +197,9 @@ struct thread_struct {
|
|
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a1973e |
unsigned long spefscr; /* SPE & eFP status */
|
|
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a1973e |
int used_spe; /* set if process has used spe */
|
|
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a1973e |
#endif /* CONFIG_SPE */
|
|
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+#ifdef CONFIG_PERFCTR_VIRTUAL
|
|
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+ struct vperfctr *perfctr; /* performance counters */
|
|
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+#endif
|
|
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};
|
|
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|
|
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#define ARCH_MIN_TASKALIGN 16
|
|
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a1973e |
--- linux-2.6.29.perfctr26/arch/powerpc/kernel/process.c.~1~ 2009-03-24 18:00:33.000000000 +0100
|
|
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a1973e |
+++ linux-2.6.29.perfctr26/arch/powerpc/kernel/process.c 2009-03-24 18:49:12.000000000 +0100
|
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@@ -30,6 +30,7 @@
|
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#include <linux/init_task.h>
|
|
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#include <linux/module.h>
|
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#include <linux/kallsyms.h>
|
|
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+#include <linux/perfctr.h>
|
|
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#include <linux/mqueue.h>
|
|
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#include <linux/hardirq.h>
|
|
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#include <linux/utsname.h>
|
|
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@@ -406,8 +407,10 @@ struct task_struct *__switch_to(struct t
|
|
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a1973e |
* window where the kernel stack SLB and the kernel stack are out
|
|
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* of sync. Hard disable here.
|
|
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a1973e |
*/
|
|
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+ perfctr_suspend_thread(&prev->thread);
|
|
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a1973e |
hard_irq_disable();
|
|
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a1973e |
last = _switch(old_thread, new_thread);
|
|
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a1973e |
+ perfctr_resume_thread(¤t->thread);
|
|
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a1973e |
|
|
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a1973e |
local_irq_restore(flags);
|
|
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|
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@@ -547,6 +550,7 @@ void show_regs(struct pt_regs * regs)
|
|
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void exit_thread(void)
|
|
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a1973e |
{
|
|
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a1973e |
discard_lazy_cpu_state();
|
|
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a1973e |
+ perfctr_exit_thread(¤t->thread);
|
|
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a1973e |
}
|
|
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a1973e |
|
|
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void flush_thread(void)
|
|
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@@ -673,6 +677,8 @@ int copy_thread(int nr, unsigned long cl
|
|
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a1973e |
kregs->nip = (unsigned long)ret_from_fork;
|
|
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a1973e |
#endif
|
|
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a1973e |
|
|
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+ perfctr_copy_task(p, regs);
|
|
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a1973e |
+
|
|
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return 0;
|
|
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}
|
|
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a1973e |
|
|
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a1973e |
--- linux-2.6.29.perfctr26/arch/powerpc/platforms/Kconfig.cputype.~1~ 2009-03-24 18:00:33.000000000 +0100
|
|
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+++ linux-2.6.29.perfctr26/arch/powerpc/platforms/Kconfig.cputype 2009-03-24 18:49:12.000000000 +0100
|
|
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@@ -264,4 +264,8 @@ config NOT_COHERENT_CACHE
|
|
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config CHECK_CACHE_COHERENCY
|
|
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a1973e |
bool
|
|
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a1973e |
|
|
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a1973e |
+if PPC32
|
|
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+source "drivers/perfctr/Kconfig"
|
|
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+endif
|
|
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+
|
|
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endmenu
|
|
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--- linux-2.6.29.perfctr26/arch/x86/Kconfig.~1~ 2009-03-24 18:00:33.000000000 +0100
|
|
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a1973e |
+++ linux-2.6.29.perfctr26/arch/x86/Kconfig 2009-03-24 18:49:12.000000000 +0100
|
|
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@@ -1364,6 +1364,8 @@ config CC_STACKPROTECTOR_ALL
|
|
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functions that use large-ish on-stack buffers. By enabling
|
|
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a1973e |
this option, GCC will be asked to do this for ALL functions.
|
|
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a1973e |
|
|
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+source "drivers/perfctr/Kconfig"
|
|
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+
|
|
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source kernel/Kconfig.hz
|
|
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a1973e |
|
|
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config KEXEC
|
|
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--- linux-2.6.29.perfctr26/arch/x86/include/asm/irq_vectors.h.~1~ 2009-03-24 18:00:33.000000000 +0100
|
|
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+++ linux-2.6.29.perfctr26/arch/x86/include/asm/irq_vectors.h 2009-03-24 18:49:12.000000000 +0100
|
|
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@@ -85,9 +85,10 @@
|
|
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a1973e |
* sources per level' errata.
|
|
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*/
|
|
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#define LOCAL_TIMER_VECTOR 0xef
|
|
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a1973e |
+#define LOCAL_PERFCTR_VECTOR 0xee
|
|
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a1973e |
|
|
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a1973e |
/*
|
|
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- * First APIC vector available to drivers: (vectors 0x30-0xee) we
|
|
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a1973e |
+ * First APIC vector available to drivers: (vectors 0x30-0xed) we
|
|
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* start at 0x31(0x41) to spread out vectors evenly between priority
|
|
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* levels. (0x80 is the syscall vector)
|
|
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*/
|
|
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a1973e |
--- linux-2.6.29.perfctr26/arch/x86/include/asm/processor.h.~1~ 2009-03-24 18:00:33.000000000 +0100
|
|
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+++ linux-2.6.29.perfctr26/arch/x86/include/asm/processor.h 2009-03-24 18:49:12.000000000 +0100
|
|
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a1973e |
@@ -433,6 +433,8 @@ struct thread_struct {
|
|
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a1973e |
unsigned long iopl;
|
|
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a1973e |
/* Max allowed port in the bitmap, in bytes: */
|
|
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a1973e |
unsigned io_bitmap_max;
|
|
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a1973e |
+/* performance counters */
|
|
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a1973e |
+ struct vperfctr *perfctr;
|
|
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a1973e |
/* MSR_IA32_DEBUGCTLMSR value to switch in if TIF_DEBUGCTLMSR is set. */
|
|
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unsigned long debugctlmsr;
|
|
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a1973e |
#ifdef CONFIG_X86_DS
|
|
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a1973e |
--- linux-2.6.29.perfctr26/arch/x86/include/asm/system.h.~1~ 2009-03-24 18:00:33.000000000 +0100
|
|
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a1973e |
+++ linux-2.6.29.perfctr26/arch/x86/include/asm/system.h 2009-03-24 18:49:12.000000000 +0100
|
|
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a1973e |
@@ -37,6 +37,7 @@ do { \
|
|
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a1973e |
* __switch_to()) \
|
|
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a1973e |
*/ \
|
|
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a1973e |
unsigned long ebx, ecx, edx, esi, edi; \
|
|
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a1973e |
+ perfctr_suspend_thread(&(prev)->thread); \
|
|
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a1973e |
\
|
|
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a1973e |
asm volatile("pushfl\n\t" /* save flags */ \
|
|
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a1973e |
"pushl %%ebp\n\t" /* save EBP */ \
|
|
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a1973e |
@@ -87,7 +88,8 @@ do { \
|
|
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a1973e |
"r12", "r13", "r14", "r15"
|
|
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a1973e |
|
|
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a1973e |
/* Save restore flags to clear handle leaking NT */
|
|
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a1973e |
-#define switch_to(prev, next, last) \
|
|
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a1973e |
+#define switch_to(prev, next, last) do { \
|
|
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a1973e |
+ perfctr_suspend_thread(&(prev)->thread); \
|
|
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a1973e |
asm volatile(SAVE_CONTEXT \
|
|
Packit Service |
a1973e |
"movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \
|
|
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a1973e |
"movq %P[threadrsp](%[next]),%%rsp\n\t" /* restore RSP */ \
|
|
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a1973e |
@@ -107,7 +109,8 @@ do { \
|
|
Packit Service |
a1973e |
[tif_fork] "i" (TIF_FORK), \
|
|
Packit Service |
a1973e |
[thread_info] "i" (offsetof(struct task_struct, stack)), \
|
|
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a1973e |
[pda_pcurrent] "i" (offsetof(struct x8664_pda, pcurrent)) \
|
|
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a1973e |
- : "memory", "cc" __EXTRA_CLOBBER)
|
|
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a1973e |
+ : "memory", "cc" __EXTRA_CLOBBER); \
|
|
Packit Service |
a1973e |
+} while (0)
|
|
Packit Service |
a1973e |
#endif
|
|
Packit Service |
a1973e |
|
|
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a1973e |
#ifdef __KERNEL__
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/arch/x86/kernel/entry_32.S.~1~ 2009-03-24 18:00:34.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/arch/x86/kernel/entry_32.S 2009-03-24 18:49:12.000000000 +0100
|
|
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a1973e |
@@ -688,6 +688,23 @@ ENDPROC(name)
|
|
Packit Service |
a1973e |
/* The include is where all of the SMP etc. interrupts come from */
|
|
Packit Service |
a1973e |
#include "entry_arch.h"
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
+#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_KPERFCTR)
|
|
Packit Service |
a1973e |
+ENTRY(perfctr_interrupt)
|
|
Packit Service |
a1973e |
+ RING0_INT_FRAME
|
|
Packit Service |
a1973e |
+ pushl $~(LOCAL_PERFCTR_VECTOR)
|
|
Packit Service |
a1973e |
+ CFI_ADJUST_CFA_OFFSET 4
|
|
Packit Service |
a1973e |
+ SAVE_ALL
|
|
Packit Service |
a1973e |
+ TRACE_IRQS_OFF
|
|
Packit Service |
a1973e |
+ pushl %esp
|
|
Packit Service |
a1973e |
+ CFI_ADJUST_CFA_OFFSET 4
|
|
Packit Service |
a1973e |
+ call smp_perfctr_interrupt
|
|
Packit Service |
a1973e |
+ addl $4, %esp
|
|
Packit Service |
a1973e |
+ CFI_ADJUST_CFA_OFFSET -4
|
|
Packit Service |
a1973e |
+ jmp ret_from_intr
|
|
Packit Service |
a1973e |
+ CFI_ENDPROC
|
|
Packit Service |
a1973e |
+ENDPROC(perfctr_interrupt)
|
|
Packit Service |
a1973e |
+#endif
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
ENTRY(coprocessor_error)
|
|
Packit Service |
a1973e |
RING0_INT_FRAME
|
|
Packit Service |
a1973e |
pushl $0
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/arch/x86/kernel/entry_64.S.~1~ 2009-03-24 18:00:34.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/arch/x86/kernel/entry_64.S 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -1025,6 +1025,11 @@ apicinterrupt ERROR_APIC_VECTOR \
|
|
Packit Service |
a1973e |
apicinterrupt SPURIOUS_APIC_VECTOR \
|
|
Packit Service |
a1973e |
spurious_interrupt smp_spurious_interrupt
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
+#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_KPERFCTR)
|
|
Packit Service |
a1973e |
+apicinterrupt LOCAL_PERFCTR_VECTOR \
|
|
Packit Service |
a1973e |
+ perfctr_interrupt smp_perfctr_interrupt
|
|
Packit Service |
a1973e |
+#endif
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
/*
|
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Packit Service |
a1973e |
* Exception entry points.
|
|
Packit Service |
a1973e |
*/
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/arch/x86/kernel/irqinit_32.c.~1~ 2009-03-24 18:00:34.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/arch/x86/kernel/irqinit_32.c 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -20,6 +20,7 @@
|
|
Packit Service |
a1973e |
#include <asm/apic.h>
|
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Packit Service |
a1973e |
#include <asm/arch_hooks.h>
|
|
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a1973e |
#include <asm/i8259.h>
|
|
Packit Service |
a1973e |
+#include <asm/perfctr.h>
|
|
Packit Service |
a1973e |
#include <asm/traps.h>
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
@@ -174,6 +175,8 @@ void __init native_init_IRQ(void)
|
|
Packit Service |
a1973e |
*/
|
|
Packit Service |
a1973e |
intr_init_hook();
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
+ perfctr_vector_init();
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
/*
|
|
Packit Service |
a1973e |
* External FPU? Set up irq13 if so, for
|
|
Packit Service |
a1973e |
* original braindamaged IBM FERR coupling.
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/arch/x86/kernel/irqinit_64.c.~1~ 2009-03-24 18:00:34.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/arch/x86/kernel/irqinit_64.c 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -21,6 +21,7 @@
|
|
Packit Service |
a1973e |
#include <asm/pgtable.h>
|
|
Packit Service |
a1973e |
#include <asm/desc.h>
|
|
Packit Service |
a1973e |
#include <asm/apic.h>
|
|
Packit Service |
a1973e |
+#include <asm/perfctr.h>
|
|
Packit Service |
a1973e |
#include <asm/i8259.h>
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
/*
|
|
Packit Service |
a1973e |
@@ -170,6 +171,8 @@ void __init native_init_IRQ(void)
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
apic_intr_init();
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
+ perfctr_vector_init();
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
if (!acpi_ioapic)
|
|
Packit Service |
a1973e |
setup_irq(2, &irq2);
|
|
Packit Service |
a1973e |
}
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/arch/x86/kernel/process_32.c.~1~ 2009-03-24 18:00:34.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/arch/x86/kernel/process_32.c 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -28,6 +28,7 @@
|
|
Packit Service |
a1973e |
#include <linux/delay.h>
|
|
Packit Service |
a1973e |
#include <linux/reboot.h>
|
|
Packit Service |
a1973e |
#include <linux/init.h>
|
|
Packit Service |
a1973e |
+#include <linux/perfctr.h>
|
|
Packit Service |
a1973e |
#include <linux/mc146818rtc.h>
|
|
Packit Service |
a1973e |
#include <linux/module.h>
|
|
Packit Service |
a1973e |
#include <linux/kallsyms.h>
|
|
Packit Service |
a1973e |
@@ -248,6 +249,7 @@ void exit_thread(void)
|
|
Packit Service |
a1973e |
tss->x86_tss.io_bitmap_base = INVALID_IO_BITMAP_OFFSET;
|
|
Packit Service |
a1973e |
put_cpu();
|
|
Packit Service |
a1973e |
}
|
|
Packit Service |
a1973e |
+ perfctr_exit_thread(¤t->thread);
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
ds_exit_thread(current);
|
|
Packit Service |
a1973e |
}
|
|
Packit Service |
a1973e |
@@ -307,6 +309,8 @@ int copy_thread(int nr, unsigned long cl
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
savesegment(gs, p->thread.gs);
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
+ perfctr_copy_task(p, regs);
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
tsk = current;
|
|
Packit Service |
a1973e |
if (unlikely(test_tsk_thread_flag(tsk, TIF_IO_BITMAP))) {
|
|
Packit Service |
a1973e |
p->thread.io_bitmap_ptr = kmemdup(tsk->thread.io_bitmap_ptr,
|
|
Packit Service |
a1973e |
@@ -590,6 +594,8 @@ __switch_to(struct task_struct *prev_p,
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
x86_write_percpu(current_task, next_p);
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
+ perfctr_resume_thread(next);
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
return prev_p;
|
|
Packit Service |
a1973e |
}
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/arch/x86/kernel/process_64.c.~1~ 2009-03-24 18:00:34.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/arch/x86/kernel/process_64.c 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -31,6 +31,7 @@
|
|
Packit Service |
a1973e |
#include <linux/delay.h>
|
|
Packit Service |
a1973e |
#include <linux/module.h>
|
|
Packit Service |
a1973e |
#include <linux/ptrace.h>
|
|
Packit Service |
a1973e |
+#include <linux/perfctr.h>
|
|
Packit Service |
a1973e |
#include <linux/random.h>
|
|
Packit Service |
a1973e |
#include <linux/notifier.h>
|
|
Packit Service |
a1973e |
#include <linux/kprobes.h>
|
|
Packit Service |
a1973e |
@@ -242,6 +243,7 @@ void exit_thread(void)
|
|
Packit Service |
a1973e |
t->io_bitmap_max = 0;
|
|
Packit Service |
a1973e |
put_cpu();
|
|
Packit Service |
a1973e |
}
|
|
Packit Service |
a1973e |
+ perfctr_exit_thread(t);
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
ds_exit_thread(current);
|
|
Packit Service |
a1973e |
}
|
|
Packit Service |
a1973e |
@@ -348,6 +350,8 @@ int copy_thread(int nr, unsigned long cl
|
|
Packit Service |
a1973e |
savesegment(es, p->thread.es);
|
|
Packit Service |
a1973e |
savesegment(ds, p->thread.ds);
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
+ perfctr_copy_task(p, regs);
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
if (unlikely(test_tsk_thread_flag(me, TIF_IO_BITMAP))) {
|
|
Packit Service |
a1973e |
p->thread.io_bitmap_ptr = kmalloc(IO_BITMAP_BYTES, GFP_KERNEL);
|
|
Packit Service |
a1973e |
if (!p->thread.io_bitmap_ptr) {
|
|
Packit Service |
a1973e |
@@ -650,6 +654,9 @@ __switch_to(struct task_struct *prev_p,
|
|
Packit Service |
a1973e |
*/
|
|
Packit Service |
a1973e |
if (tsk_used_math(next_p) && next_p->fpu_counter > 5)
|
|
Packit Service |
a1973e |
math_state_restore();
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
+ perfctr_resume_thread(next);
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
return prev_p;
|
|
Packit Service |
a1973e |
}
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/drivers/Makefile.~1~ 2009-03-24 18:00:34.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/drivers/Makefile 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -93,6 +93,7 @@ obj-$(CONFIG_MEMSTICK) += memstick/
|
|
Packit Service |
a1973e |
obj-$(CONFIG_NEW_LEDS) += leds/
|
|
Packit Service |
a1973e |
obj-$(CONFIG_INFINIBAND) += infiniband/
|
|
Packit Service |
a1973e |
obj-$(CONFIG_SGI_SN) += sn/
|
|
Packit Service |
a1973e |
+obj-$(CONFIG_KPERFCTR) += perfctr/
|
|
Packit Service |
a1973e |
obj-y += firmware/
|
|
Packit Service |
a1973e |
obj-$(CONFIG_CRYPTO) += crypto/
|
|
Packit Service |
a1973e |
obj-$(CONFIG_SUPERH) += sh/
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/fs/exec.c.~1~ 2009-03-24 18:00:46.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/fs/exec.c 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -49,6 +49,7 @@
|
|
Packit Service |
a1973e |
#include <linux/tsacct_kern.h>
|
|
Packit Service |
a1973e |
#include <linux/cn_proc.h>
|
|
Packit Service |
a1973e |
#include <linux/audit.h>
|
|
Packit Service |
a1973e |
+#include <linux/perfctr.h>
|
|
Packit Service |
a1973e |
#include <linux/tracehook.h>
|
|
Packit Service |
a1973e |
#include <linux/kmod.h>
|
|
Packit Service |
a1973e |
#include <linux/fsnotify.h>
|
|
Packit Service |
a1973e |
@@ -991,6 +992,7 @@ int flush_old_exec(struct linux_binprm *
|
|
Packit Service |
a1973e |
set_task_comm(current, tcomm);
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
current->flags &= ~PF_RANDOMIZE;
|
|
Packit Service |
a1973e |
+ perfctr_flush_thread(¤t->thread);
|
|
Packit Service |
a1973e |
flush_thread();
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
/* Set the new mm task size. We have to do that late because it may
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/kernel/exit.c.~1~ 2009-03-24 18:00:55.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/kernel/exit.c 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -30,6 +30,7 @@
|
|
Packit Service |
a1973e |
#include <linux/proc_fs.h>
|
|
Packit Service |
a1973e |
#include <linux/kthread.h>
|
|
Packit Service |
a1973e |
#include <linux/mempolicy.h>
|
|
Packit Service |
a1973e |
+#include <linux/perfctr.h>
|
|
Packit Service |
a1973e |
#include <linux/taskstats_kern.h>
|
|
Packit Service |
a1973e |
#include <linux/delayacct.h>
|
|
Packit Service |
a1973e |
#include <linux/freezer.h>
|
|
Packit Service |
a1973e |
@@ -210,6 +211,7 @@ repeat:
|
|
Packit Service |
a1973e |
leader->exit_state = EXIT_DEAD;
|
|
Packit Service |
a1973e |
}
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
+ perfctr_release_task(p);
|
|
Packit Service |
a1973e |
write_unlock_irq(&tasklist_lock);
|
|
Packit Service |
a1973e |
release_thread(p);
|
|
Packit Service |
a1973e |
call_rcu(&p->rcu, delayed_put_task_struct);
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/kernel/sched.c.~1~ 2009-03-24 18:00:55.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/kernel/sched.c 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -54,6 +54,7 @@
|
|
Packit Service |
a1973e |
#include <linux/cpu.h>
|
|
Packit Service |
a1973e |
#include <linux/cpuset.h>
|
|
Packit Service |
a1973e |
#include <linux/percpu.h>
|
|
Packit Service |
a1973e |
+#include <linux/perfctr.h>
|
|
Packit Service |
a1973e |
#include <linux/kthread.h>
|
|
Packit Service |
a1973e |
#include <linux/proc_fs.h>
|
|
Packit Service |
a1973e |
#include <linux/seq_file.h>
|
|
Packit Service |
a1973e |
@@ -6107,6 +6108,8 @@ int set_cpus_allowed_ptr(struct task_str
|
|
Packit Service |
a1973e |
struct rq *rq;
|
|
Packit Service |
a1973e |
int ret = 0;
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
+ perfctr_set_cpus_allowed(p, *new_mask); /* XXX: convert to _ptr */
|
|
Packit Service |
a1973e |
+
|
|
Packit Service |
a1973e |
rq = task_rq_lock(p, &flags);
|
|
Packit Service |
a1973e |
if (!cpumask_intersects(new_mask, cpu_online_mask)) {
|
|
Packit Service |
a1973e |
ret = -EINVAL;
|
|
Packit Service |
a1973e |
--- linux-2.6.29.perfctr26/kernel/timer.c.~1~ 2009-03-24 18:00:55.000000000 +0100
|
|
Packit Service |
a1973e |
+++ linux-2.6.29.perfctr26/kernel/timer.c 2009-03-24 18:49:12.000000000 +0100
|
|
Packit Service |
a1973e |
@@ -33,6 +33,7 @@
|
|
Packit Service |
a1973e |
#include <linux/jiffies.h>
|
|
Packit Service |
a1973e |
#include <linux/posix-timers.h>
|
|
Packit Service |
a1973e |
#include <linux/cpu.h>
|
|
Packit Service |
a1973e |
+#include <linux/perfctr.h>
|
|
Packit Service |
a1973e |
#include <linux/syscalls.h>
|
|
Packit Service |
a1973e |
#include <linux/delay.h>
|
|
Packit Service |
a1973e |
#include <linux/tick.h>
|
|
Packit Service |
a1973e |
@@ -1029,6 +1030,7 @@ void update_process_times(int user_tick)
|
|
Packit Service |
a1973e |
|
|
Packit Service |
a1973e |
/* Note: this timer irq context must be accounted for as well. */
|
|
Packit Service |
a1973e |
account_process_tick(p, user_tick);
|
|
Packit Service |
a1973e |
+ perfctr_sample_thread(&p->thread);
|
|
Packit Service |
a1973e |
run_local_timers();
|
|
Packit Service |
a1973e |
if (rcu_pending(cpu))
|
|
Packit Service |
a1973e |
rcu_check_callbacks(cpu, user_tick);
|