[PATCH][3/6] perfctr-2.7.3 for 2.6.7-rc1-mm1: x86_64
From: Mikael Pettersson
Date: Mon May 31 2004 - 17:27:54 EST
perfctr-2.7.3 for 2.6.7-rc1-mm1, part 3/6:
- x86_64 arch changes
arch/x86_64/Kconfig | 2 ++
arch/x86_64/ia32/ia32entry.S | 7 +++++++
arch/x86_64/kernel/entry.S | 5 +++++
arch/x86_64/kernel/i8259.c | 3 +++
arch/x86_64/kernel/process.c | 8 ++++++++
include/asm-x86_64/hw_irq.h | 5 +++--
include/asm-x86_64/ia32_unistd.h | 9 ++++++++-
include/asm-x86_64/irq.h | 2 +-
include/asm-x86_64/perfctr.h | 1 +
include/asm-x86_64/processor.h | 2 ++
include/asm-x86_64/unistd.h | 14 +++++++++++++-
11 files changed, 53 insertions(+), 5 deletions(-)
diff -ruN linux-2.6.7-rc1-mm1/arch/x86_64/Kconfig linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/Kconfig
--- linux-2.6.7-rc1-mm1/arch/x86_64/Kconfig 2004-05-30 15:59:30.000000000 +0200
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/Kconfig 2004-05-31 23:46:05.932821000 +0200
@@ -318,6 +318,8 @@
bool
default y
+source "drivers/perfctr/Kconfig"
+
endmenu
diff -ruN linux-2.6.7-rc1-mm1/arch/x86_64/ia32/ia32entry.S linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/ia32/ia32entry.S
--- linux-2.6.7-rc1-mm1/arch/x86_64/ia32/ia32entry.S 2004-05-30 15:59:07.000000000 +0200
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/ia32/ia32entry.S 2004-05-31 23:46:05.932821000 +0200
@@ -588,6 +588,13 @@
.quad compat_sys_mq_timedreceive /* 280 */
.quad compat_sys_mq_notify
.quad compat_sys_mq_getsetattr
+ .quad sys_ni_syscall /* reserved for kexec */
+ .quad sys_perfctr_info
+ .quad sys_vperfctr_open
+ .quad sys_vperfctr_control
+ .quad sys_vperfctr_unlink
+ .quad sys_vperfctr_iresume
+ .quad sys_vperfctr_read
/* don't forget to change IA32_NR_syscalls */
ia32_syscall_end:
.rept IA32_NR_syscalls-(ia32_syscall_end-ia32_sys_call_table)/8
diff -ruN linux-2.6.7-rc1-mm1/arch/x86_64/kernel/entry.S linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/kernel/entry.S
--- linux-2.6.7-rc1-mm1/arch/x86_64/kernel/entry.S 2004-05-10 11:14:36.000000000 +0200
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/kernel/entry.S 2004-05-31 23:46:05.932821000 +0200
@@ -557,6 +557,11 @@
apicinterrupt SPURIOUS_APIC_VECTOR,smp_spurious_interrupt
#endif
+#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_PERFCTR)
+ENTRY(perfctr_interrupt)
+ apicinterrupt LOCAL_PERFCTR_VECTOR,smp_perfctr_interrupt
+#endif
+
/*
* Exception entry points.
*/
diff -ruN linux-2.6.7-rc1-mm1/arch/x86_64/kernel/i8259.c linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/kernel/i8259.c
--- linux-2.6.7-rc1-mm1/arch/x86_64/kernel/i8259.c 2004-05-10 11:14:36.000000000 +0200
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/kernel/i8259.c 2004-05-31 23:46:05.932821000 +0200
@@ -24,6 +24,7 @@
#include <asm/delay.h>
#include <asm/desc.h>
#include <asm/apic.h>
+#include <asm/perfctr.h>
#include <linux/irq.h>
@@ -485,6 +486,8 @@
set_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
#endif
+ perfctr_vector_init();
+
/*
* Set the clock to HZ Hz, we already have a valid
* vector now:
diff -ruN linux-2.6.7-rc1-mm1/arch/x86_64/kernel/process.c linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/kernel/process.c
--- linux-2.6.7-rc1-mm1/arch/x86_64/kernel/process.c 2004-05-30 15:59:07.000000000 +0200
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/arch/x86_64/kernel/process.c 2004-05-31 23:46:05.932821000 +0200
@@ -32,6 +32,7 @@
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/ptrace.h>
+#include <linux/perfctr.h>
#include <linux/version.h>
#include <asm/uaccess.h>
@@ -262,6 +263,7 @@
tss->io_bitmap_base = INVALID_IO_BITMAP_OFFSET;
put_cpu();
}
+ perfctr_exit_thread(&me->thread);
}
void flush_thread(void)
@@ -365,6 +367,8 @@
asm("movl %%es,%0" : "=m" (p->thread.es));
asm("movl %%ds,%0" : "=m" (p->thread.ds));
+ perfctr_copy_thread(&p->thread);
+
if (unlikely(me->thread.io_bitmap_ptr != NULL)) {
p->thread.io_bitmap_ptr = kmalloc(IO_BITMAP_BYTES, GFP_KERNEL);
if (!p->thread.io_bitmap_ptr)
@@ -411,6 +415,8 @@
int cpu = smp_processor_id();
struct tss_struct *tss = init_tss + cpu;
+ perfctr_suspend_thread(prev);
+
unlazy_fpu(prev_p);
/*
@@ -514,6 +520,8 @@
}
}
+ perfctr_resume_thread(next);
+
return prev_p;
}
diff -ruN linux-2.6.7-rc1-mm1/include/asm-x86_64/hw_irq.h linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/hw_irq.h
--- linux-2.6.7-rc1-mm1/include/asm-x86_64/hw_irq.h 2004-02-18 11:09:53.000000000 +0100
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/hw_irq.h 2004-05-31 23:46:05.932821000 +0200
@@ -65,14 +65,15 @@
* sources per level' errata.
*/
#define LOCAL_TIMER_VECTOR 0xef
+#define LOCAL_PERFCTR_VECTOR 0xee
/*
- * First APIC vector available to drivers: (vectors 0x30-0xee)
+ * First APIC vector available to drivers: (vectors 0x30-0xed)
* we start at 0x31 to spread out vectors evenly between priority
* levels. (0x80 is the syscall vector)
*/
#define FIRST_DEVICE_VECTOR 0x31
-#define FIRST_SYSTEM_VECTOR 0xef /* duplicated in irq.h */
+#define FIRST_SYSTEM_VECTOR 0xee /* duplicated in irq.h */
#ifndef __ASSEMBLY__
diff -ruN linux-2.6.7-rc1-mm1/include/asm-x86_64/ia32_unistd.h linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/ia32_unistd.h
--- linux-2.6.7-rc1-mm1/include/asm-x86_64/ia32_unistd.h 2004-05-10 11:14:37.000000000 +0200
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/ia32_unistd.h 2004-05-31 23:46:05.932821000 +0200
@@ -288,7 +288,14 @@
#define __NR_ia32_mq_timedreceive (__NR_ia32_mq_open+3)
#define __NR_ia32_mq_notify (__NR_ia32_mq_open+4)
#define __NR_ia32_mq_getsetattr (__NR_ia32_mq_open+5)
+/* 283: reserved for kexec */
+#define __NR_ia32_perfctr_info 284
+#define __NR_ia32_vperfctr_open (__NR_ia32_perfctr_info+1)
+#define __NR_ia32_vperfctr_control (__NR_ia32_perfctr_info+2)
+#define __NR_ia32_vperfctr_unlink (__NR_ia32_perfctr_info+3)
+#define __NR_ia32_vperfctr_iresume (__NR_ia32_perfctr_info+4)
+#define __NR_ia32_vperfctr_read (__NR_ia32_perfctr_info+5)
-#define IA32_NR_syscalls 285 /* must be > than biggest syscall! */
+#define IA32_NR_syscalls 290 /* must be > than biggest syscall! */
#endif /* _ASM_X86_64_IA32_UNISTD_H_ */
diff -ruN linux-2.6.7-rc1-mm1/include/asm-x86_64/irq.h linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/irq.h
--- linux-2.6.7-rc1-mm1/include/asm-x86_64/irq.h 2004-05-10 11:14:37.000000000 +0200
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/irq.h 2004-05-31 23:46:05.932821000 +0200
@@ -29,7 +29,7 @@
*/
#define NR_VECTORS 256
-#define FIRST_SYSTEM_VECTOR 0xef /* duplicated in hw_irq.h */
+#define FIRST_SYSTEM_VECTOR 0xee /* duplicated in hw_irq.h */
#ifdef CONFIG_PCI_USE_VECTOR
#define NR_IRQS FIRST_SYSTEM_VECTOR
diff -ruN linux-2.6.7-rc1-mm1/include/asm-x86_64/perfctr.h linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/perfctr.h
--- linux-2.6.7-rc1-mm1/include/asm-x86_64/perfctr.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/perfctr.h 2004-05-31 23:46:05.932821000 +0200
@@ -0,0 +1 @@
+#include <asm-i386/perfctr.h>
diff -ruN linux-2.6.7-rc1-mm1/include/asm-x86_64/processor.h linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/processor.h
--- linux-2.6.7-rc1-mm1/include/asm-x86_64/processor.h 2004-05-30 15:59:30.000000000 +0200
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/processor.h 2004-05-31 23:46:05.932821000 +0200
@@ -253,6 +253,8 @@
unsigned long *io_bitmap_ptr;
/* cached TLS descriptors. */
u64 tls_array[GDT_ENTRY_TLS_ENTRIES];
+/* performance counters */
+ struct vperfctr *perfctr;
} __attribute__((aligned(16)));
#define INIT_THREAD {}
diff -ruN linux-2.6.7-rc1-mm1/include/asm-x86_64/unistd.h linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/unistd.h
--- linux-2.6.7-rc1-mm1/include/asm-x86_64/unistd.h 2004-05-30 15:59:30.000000000 +0200
+++ linux-2.6.7-rc1-mm1.perfctr-2.7.3.x86_64/include/asm-x86_64/unistd.h 2004-05-31 23:46:05.932821000 +0200
@@ -554,8 +554,20 @@
__SYSCALL(__NR_mq_getsetattr, sys_mq_getsetattr)
#define __NR_kexec_load 246
__SYSCALL(__NR_kexec_load, sys_ni_syscall)
+#define __NR_perfctr_info 247
+__SYSCALL(__NR_perfctr_info, sys_perfctr_info)
+#define __NR_vperfctr_open (__NR_perfctr_info+1)
+__SYSCALL(__NR_vperfctr_open, sys_vperfctr_open)
+#define __NR_vperfctr_control (__NR_perfctr_info+2)
+__SYSCALL(__NR_vperfctr_control, sys_vperfctr_control)
+#define __NR_vperfctr_unlink (__NR_perfctr_info+3)
+__SYSCALL(__NR_vperfctr_unlink, sys_vperfctr_unlink)
+#define __NR_vperfctr_iresume (__NR_perfctr_info+4)
+__SYSCALL(__NR_vperfctr_iresume, sys_vperfctr_iresume)
+#define __NR_vperfctr_read (__NR_perfctr_info+5)
+__SYSCALL(__NR_vperfctr_read, sys_vperfctr_read)
-#define __NR_syscall_max __NR_kexec_load
+#define __NR_syscall_max __NR_vperfctr_read
#ifndef __NO_STUBS
/* user-visible error numbers are in the range -1 - -4095 */
-
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