diff options
author | David S. Miller <davem@davemloft.net> | 2010-01-20 06:04:14 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-01-20 19:23:03 -0500 |
commit | a084b6678a89a106a350c12e4845f42ccc9811f0 (patch) | |
tree | bf6b07e5590f5ecc69c8fcfc1cd6edf6c06bf811 /arch | |
parent | e7bef6b04ca2e8e4cf667c43d7e2ab3034a869d5 (diff) |
sparc: Add missing SW perf fault events.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sparc/mm/fault_32.c | 12 | ||||
-rw-r--r-- | arch/sparc/mm/fault_64.c | 13 |
2 files changed, 20 insertions, 5 deletions
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index b99f81c4906f..a3413acb8f12 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c | |||
@@ -18,6 +18,7 @@ | |||
18 | #include <linux/signal.h> | 18 | #include <linux/signal.h> |
19 | #include <linux/mm.h> | 19 | #include <linux/mm.h> |
20 | #include <linux/smp.h> | 20 | #include <linux/smp.h> |
21 | #include <linux/perf_event.h> | ||
21 | #include <linux/interrupt.h> | 22 | #include <linux/interrupt.h> |
22 | #include <linux/module.h> | 23 | #include <linux/module.h> |
23 | #include <linux/kdebug.h> | 24 | #include <linux/kdebug.h> |
@@ -203,6 +204,8 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write, | |||
203 | if (in_atomic() || !mm) | 204 | if (in_atomic() || !mm) |
204 | goto no_context; | 205 | goto no_context; |
205 | 206 | ||
207 | perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); | ||
208 | |||
206 | down_read(&mm->mmap_sem); | 209 | down_read(&mm->mmap_sem); |
207 | 210 | ||
208 | /* | 211 | /* |
@@ -249,10 +252,15 @@ good_area: | |||
249 | goto do_sigbus; | 252 | goto do_sigbus; |
250 | BUG(); | 253 | BUG(); |
251 | } | 254 | } |
252 | if (fault & VM_FAULT_MAJOR) | 255 | if (fault & VM_FAULT_MAJOR) { |
253 | current->maj_flt++; | 256 | current->maj_flt++; |
254 | else | 257 | perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, |
258 | regs, address); | ||
259 | } else { | ||
255 | current->min_flt++; | 260 | current->min_flt++; |
261 | perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, | ||
262 | regs, address); | ||
263 | } | ||
256 | up_read(&mm->mmap_sem); | 264 | up_read(&mm->mmap_sem); |
257 | return; | 265 | return; |
258 | 266 | ||
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c index 6081936bf03b..b9d4ff02b8fc 100644 --- a/arch/sparc/mm/fault_64.c +++ b/arch/sparc/mm/fault_64.c | |||
@@ -16,6 +16,7 @@ | |||
16 | #include <linux/mm.h> | 16 | #include <linux/mm.h> |
17 | #include <linux/module.h> | 17 | #include <linux/module.h> |
18 | #include <linux/init.h> | 18 | #include <linux/init.h> |
19 | #include <linux/perf_event.h> | ||
19 | #include <linux/interrupt.h> | 20 | #include <linux/interrupt.h> |
20 | #include <linux/kprobes.h> | 21 | #include <linux/kprobes.h> |
21 | #include <linux/kdebug.h> | 22 | #include <linux/kdebug.h> |
@@ -296,6 +297,8 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) | |||
296 | if (in_atomic() || !mm) | 297 | if (in_atomic() || !mm) |
297 | goto intr_or_no_mm; | 298 | goto intr_or_no_mm; |
298 | 299 | ||
300 | perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); | ||
301 | |||
299 | if (!down_read_trylock(&mm->mmap_sem)) { | 302 | if (!down_read_trylock(&mm->mmap_sem)) { |
300 | if ((regs->tstate & TSTATE_PRIV) && | 303 | if ((regs->tstate & TSTATE_PRIV) && |
301 | !search_exception_tables(regs->tpc)) { | 304 | !search_exception_tables(regs->tpc)) { |
@@ -400,11 +403,15 @@ good_area: | |||
400 | goto do_sigbus; | 403 | goto do_sigbus; |
401 | BUG(); | 404 | BUG(); |
402 | } | 405 | } |
403 | if (fault & VM_FAULT_MAJOR) | 406 | if (fault & VM_FAULT_MAJOR) { |
404 | current->maj_flt++; | 407 | current->maj_flt++; |
405 | else | 408 | perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, |
409 | regs, address); | ||
410 | } else { | ||
406 | current->min_flt++; | 411 | current->min_flt++; |
407 | 412 | perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, | |
413 | regs, address); | ||
414 | } | ||
408 | up_read(&mm->mmap_sem); | 415 | up_read(&mm->mmap_sem); |
409 | 416 | ||
410 | mm_rss = get_mm_rss(mm); | 417 | mm_rss = get_mm_rss(mm); |