Peter Zijlstra 60db5e09c1 perf_counter: frequency based adaptive irq_period ...

Instead of specifying the irq_period for a counter, provide a target interrupt
frequency and dynamically adapt the irq_period to match this frequency.

[ Impact: new perf-counter attribute/feature ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <20090515132018.646195868@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2009-05-15 15:26:56 +02:00

..

vdso32

powerpc/mm: Introduce MMU features

2008-12-21 14:21:16 +11:00

vdso64

powerpc/mm: Introduce MMU features

2008-12-21 14:21:16 +11:00

.gitignore

powerpc: Ignore generated vmlinux.lds in git

2008-10-07 14:26:18 +11:00

align.c

powerpc: Fix load/store float double alignment handler

2009-02-26 14:02:53 +11:00

asm-offsets.c

Merge branch 'linus' into perfcounters/core-v2

2009-04-06 09:02:57 +02:00

audit.c

[PATCH] audit signal recipients

2007-05-11 05:38:25 -04:00

btext.c

powerpc: Use the common ascii hex helpers

2008-08-20 16:34:57 +10:00

cacheinfo.c

powerpc/cacheinfo: Rename cache_dir per-cpu variable

2009-01-13 14:48:02 +11:00

cacheinfo.h

powerpc: Rewrite sysfs processor cache info code

2009-01-08 16:25:10 +11:00

clock.c

[POWERPC] clk.h interface for platforms

2007-10-03 09:11:56 +10:00

compat_audit.c

[PATCH] add SIGNAL syscall class (v3)

2007-05-11 05:38:25 -04:00

cpu_setup_6xx.S

powerpc/mm: e300c2/c3/c4 TLB errata workaround

2009-03-24 13:47:32 +11:00

cpu_setup_44x.S

AMCC PPC 460SX redwood SoC platform initial framework

2009-02-14 14:41:29 -05:00

cpu_setup_fsl_booke.S

powerpc/fsl-booke: Cleanup init/exception setup to be runtime

2009-01-28 18:16:50 -06:00

cpu_setup_pa6t.S

[POWERPC] pasemi: Enable one more hid bit

2007-04-24 21:31:49 +10:00

cpu_setup_ppc970.S

powerpc: Use LOAD_REG_IMMEDIATE only for constants on 64-bit

2008-09-15 11:08:35 -07:00

cputable.c

Revert "powerpc: Add support for early tlbilx opcode"

2009-04-23 08:51:22 -05:00

crash_dump.c

powerpc: Unify opcode definitions and support

2009-02-23 10:48:56 +11:00

crash.c

powerpc: Increase CRASH_HANDLER_MAX

2008-06-30 22:31:00 +10:00

dbell.c

powerpc: Add support for using doorbells for SMP IPI

2009-02-23 15:53:03 +11:00

dma-iommu.c

powerpc: Change u64/s64 to a long long integer type

2009-01-13 14:47:59 +11:00

dma.c

dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)

2009-04-07 08:31:11 -07:00

entry_32.S

powerpc: Unify opcode definitions and support

2009-02-23 10:48:56 +11:00

entry_64.S

Merge branch 'linus' into perfcounters/core-v2

2009-04-06 09:02:57 +02:00

firmware.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

fpu.S

powerpc: Disable VSX or current process in giveup_fpu/altivec

2009-04-07 15:18:59 +10:00

ftrace.c

powerpc/ftrace: Fix printf format warning

2009-04-07 15:19:00 +10:00

head_8xx.S

powerpc: convert to use __HEAD and HEAD_TEXT macros.

2009-04-26 09:20:38 -07:00

head_32.S

powerpc: convert to use __HEAD and HEAD_TEXT macros.

2009-04-26 09:20:38 -07:00

head_40x.S

powerpc: convert to use __HEAD and HEAD_TEXT macros.

2009-04-26 09:20:38 -07:00

head_44x.S

powerpc: convert to use __HEAD and HEAD_TEXT macros.

2009-04-26 09:20:38 -07:00

head_64.S

powerpc/kconfig: Kill PPC_MULTIPLATFORM

2009-03-11 17:11:35 +11:00

head_booke.h

Merge commit 'jwb/next' into next

2009-03-03 13:30:03 +11:00

head_fsl_booke.S

powerpc: convert to use __HEAD and HEAD_TEXT macros.

2009-04-26 09:20:38 -07:00

ibmebus.c

powerpc: struct device - replace bus_id with dev_name(), dev_set_name()

2008-12-16 15:53:38 +11:00

idle_6xx.S

powerpc: Fix for getting CPU number in power_save_ppc32_restore()

2008-09-03 20:53:47 +10:00

idle_e500.S

powerpc: Fix for getting CPU number in power_save_ppc32_restore()

2008-09-03 20:53:47 +10:00

idle_power4.S

[POWERPC] powermac: Support G5 CPU hotplug

2007-05-07 20:31:13 +10:00

idle.c

powerpc: ftrace, do not latency trace idle

2008-11-20 10:51:15 -08:00

init_task.c

take init_fs to saner place

2008-12-31 18:07:42 -05:00

io.c

ftrace: support for PowerPC

2008-05-23 22:43:11 +02:00

iomap.c

[POWERPC] Add 64-bit resources support to pci_iomap

2007-09-20 07:36:52 -05:00

iommu.c

powerpc: Change u64/s64 to a long long integer type

2009-01-13 14:47:59 +11:00

irq.c

Merge commit 'v2.6.30-rc1' into perfcounters/core

2009-04-08 10:35:30 +02:00

isa-bridge.c

[POWERPC] Remove leftover printk in isa-bridge.c

2008-05-09 20:22:59 +10:00

kgdb.c

kgdb, x86, arm, mips, powerpc: ignore user space single stepping

2008-09-26 10:36:41 -05:00

kprobes.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

2009-01-07 11:31:52 -08:00

l2cr_6xx.S

Convert files to UTF-8 and some cleanups

2007-10-19 23:21:04 +02:00

legacy_serial.c

powerpc/powermac: Fixup default serial port device for pmac_zilog

2008-07-28 16:30:53 +10:00

lparcfg.c

powerpc/pseries: Add dispatch dispersion statistics

2009-04-07 15:18:59 +10:00

machine_kexec_32.c

kexec jump: rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE

2008-08-15 08:35:42 -07:00

machine_kexec_64.c

powerpc/32: Setup OF properties for kdump

2008-12-23 15:13:29 +11:00

machine_kexec.c

powerpc/kexec: Check crash_base for relocatable kernel

2009-01-13 14:47:59 +11:00

Makefile

Merge branch 'linus' into perfcounters/core-v2

2009-04-06 09:02:57 +02:00

misc_32.S

powerpc/44x: Support 16K/64K base page sizes on 44x

2008-12-29 09:53:25 +11:00

misc_64.S

powerpc: Disable VSX or current process in giveup_fpu/altivec

2009-04-07 15:18:59 +10:00

misc.S

powerpc: Use LOAD_REG_IMMEDIATE only for constants on 64-bit

2008-09-15 11:08:35 -07:00

module_32.c

powerpc/ppc32: ftrace, dynamic ftrace to handle modules

2008-11-20 10:52:53 -08:00

module_64.c

powerpc: Unify opcode definitions and support

2009-02-23 10:48:56 +11:00

module.c

powerpc/mm: Introduce MMU features

2008-12-21 14:21:16 +11:00

msi.c

powerpc/PCI: include pci.h in powerpc MSI implementation

2009-03-25 08:54:29 -07:00

nvram_64.c

[POWERPC] pseries: Eliminate global error_log_cnt variable

2007-08-17 11:01:52 +10:00

of_device.c

powerpc: struct device - replace bus_id with dev_name(), dev_set_name()

2008-12-16 15:53:38 +11:00

of_platform.c

dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)

2009-04-07 08:31:11 -07:00

paca.c

powerpc: Update page-in counter for CMM

2008-11-05 22:08:28 +11:00

pci_32.c

powerpc/pci: Fix PCI<->OF matching of old style multifunc devices

2009-02-23 10:48:57 +11:00

pci_64.c

powerpc/pci: Move hose_list and pci_address_to_pio to pci-common

2009-02-11 16:00:07 +11:00

pci_dn.c

[POWERPC] iSeries: eliminate pci_dn bussubno

2008-01-17 14:57:05 +11:00

pci-common.c

powerpc/pci: Default to dma_direct_ops for pci dma_ops

2009-03-24 13:47:30 +11:00

perf_counter.c

perf_counter: frequency based adaptive irq_period

2009-05-15 15:26:56 +02:00

pmc.c

[POWERPC] Made FSL Book-E PMC support more generic

2008-02-05 23:34:14 -06:00

power4-pmu.c

perf_counter: powerpc: allow use of limited-function counters

2009-04-29 14:58:35 +02:00

power5-pmu.c

perf_counter: powerpc: allow use of limited-function counters

2009-04-29 14:58:35 +02:00

power5+-pmu.c

perf_counter: powerpc: allow use of limited-function counters

2009-04-29 14:58:35 +02:00

power6-pmu.c

perf_counter: powerpc: allow use of limited-function counters

2009-04-29 14:58:35 +02:00

ppc32.h

powerpc: Add VSX context save/restore, ptrace and signal support

2008-07-01 11:28:50 +10:00

ppc970-pmu.c

perf_counter: powerpc: allow use of limited-function counters

2009-04-29 14:58:35 +02:00

ppc_ksyms.c

powerpc: Export cacheable_memzero as its now used in a driver

2009-01-08 16:25:17 +11:00

ppc_save_regs.S

powerpc: Prepare xmon_save_regs for use with kdump

2008-12-23 15:13:28 +11:00

proc_ppc64.c

powerpc: use non-racy method for proc entries creation

2008-04-29 08:06:22 -07:00

process.c

Simplify copy_thread()

2009-04-02 19:04:51 -07:00

prom_init_check.sh

powerpc: Print linux_banner in prom_init

2009-03-11 17:11:33 +11:00

prom_init.c

powerpc/pseries: Fix ibm,client-architecture comment

2009-04-07 15:18:59 +10:00

prom_parse.c

powerpc: Fix of_node_put() exit path in of_irq_map_one()

2009-04-20 12:18:43 -06:00

prom.c

powerpc: Allow debugging of LMBs with lmb=debug

2009-02-11 13:38:00 +11:00

ptrace32.c

powerpc: Fix ptrace compat wrapper for FPU register access

2009-04-07 15:19:00 +10:00

ptrace.c

powerpc: Don't use the wrong thread_struct for ptrace get/set VSX regs

2008-07-30 15:26:54 +10:00

reloc_64.S

powerpc: Make the 64-bit kernel as a position-independent executable

2008-09-15 11:08:38 -07:00

rtas_flash.c

proc 2/2: remove struct proc_dir_entry::owner

2009-03-31 01:14:44 +04:00

rtas_pci.c

powerpc/pci: Fix various pseries PCI hotplug issues

2008-11-06 09:31:52 +11:00

rtas-proc.c

[POWERPC] Fix sparse warnings in arch/powerpc/kernel

2008-05-14 22:31:59 +10:00

rtas-rtc.c

[PATCH] powerpc: reorg RTAS delay code

2006-06-09 21:21:06 +10:00

rtas.c

powerpc/pseries: Fix partition migration hang under load

2009-02-23 15:53:04 +11:00

setup_32.c

powerpc/32: Wire up the trampoline code for kdump

2008-12-23 15:13:29 +11:00

setup_64.c

powerpc/mm: Introduce early_init_mmu() on 64-bit

2009-03-24 13:47:34 +11:00

setup-common.c

powerpc: Remove duplicated #include's

2009-04-07 15:18:58 +10:00

setup.h

[PATCH] powerpc: Make early xmon logic immune to location of early parsing

2006-05-19 15:02:12 +10:00

signal_32.c

powerpc: Sanitize stack pointer in signal handling code

2009-03-27 16:58:24 +11:00

signal_64.c

powerpc: Sanitize stack pointer in signal handling code

2009-03-27 16:58:24 +11:00

signal.c

powerpc: Sanitize stack pointer in signal handling code

2009-03-27 16:58:24 +11:00

signal.h

powerpc: Sanitize stack pointer in signal handling code

2009-03-27 16:58:24 +11:00

smp-tbsync.c

powerpc: Silence software timebase sync

2008-11-05 22:08:28 +11:00

smp.c

Merge branch 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-01-02 11:44:09 -08:00

softemu8xx.c

Remove asm/a.out.h files for all architectures without a.out support.

2008-09-06 19:30:24 +01:00

stacktrace.c

powerpc: Removed duplicated include in stacktrace.c

2008-07-28 16:30:47 +10:00

suspend.c

PAGE_ALIGN(): correctly handle 64-bit values on 32-bit architectures

2008-07-24 10:47:21 -07:00

swsusp_32.S

powerpc/mm: Introduce MMU features

2008-12-21 14:21:16 +11:00

swsusp_64.c

[POWERPC] powermac: Suspend to disk on G5

2007-05-07 20:31:14 +10:00

swsusp_asm64.S

powerpc: Fix 64-bit hibernation with 64k pages

2008-10-07 14:26:20 +11:00

swsusp.c

powerpc/mm: Split mmu_context handling

2008-12-21 14:21:15 +11:00

sys_ppc32.c

compat: generic compat get/settimeofday

2008-10-16 11:21:33 -07:00

syscalls.c

powerpc/mm: Add Strong Access Ordering support

2008-07-09 16:30:45 +10:00

sysfs.c

powerpc: Fix bugs introduced by sysfs changes

2009-03-27 16:58:24 +11:00

systbl_chk.c

[POWERPC] Fix a couple of copyright symbols

2008-01-25 22:52:50 +11:00

systbl_chk.sh

[POWERPC] Fix a couple of copyright symbols

2008-01-25 22:52:50 +11:00

systbl.S

[POWERPC] Align the sys_call_table

2007-10-11 14:36:47 +10:00

tau_6xx.c

on_each_cpu(): kill unused 'retry' parameter

2008-06-26 11:24:38 +02:00

time.c

clocksource: pass clocksource to read() callback

2009-04-21 13:41:47 -07:00

traps.c

powerpc: Add support for using doorbells for SMP IPI

2009-02-23 15:53:03 +11:00

udbg_16550.c

powerpc/udbg: Fix lost byte during console handover; change LFCR to CRLF

2009-03-11 17:11:34 +11:00

udbg.c

powerpc/udbg: Fix lost byte during console handover; change LFCR to CRLF

2009-03-11 17:11:34 +11:00

vdso.c

Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

2008-12-28 16:54:33 -08:00

vecemu.c

[PATCH] powerpc: Move arch/ppc*/kernel/vecemu.c to arch/powerpc

2005-09-21 19:21:07 +10:00

vector.S

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

vio.c

workqueue: add to_delayed_work() helper function

2009-04-02 19:04:50 -07:00

vmlinux.lds.S

powerpc: Revert switch to TEXT_TEXT in linker script

2009-04-28 15:55:14 -07:00