diff options
author | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-04-26 15:53:24 +0200 |
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committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-04-26 15:53:24 +0200 |
commit | 9685f9d0f2b0c667316c090b88093523ac6af9ab (patch) | |
tree | b356bdbe959f7fad578c3ae86415abce293b0243 /debian/patches/disable-more-counters.patch | |
parent | 01db8b8c4f9d03cb8b032089829281081a3a75b0 (diff) |
drop merged patches
Diffstat (limited to 'debian/patches/disable-more-counters.patch')
-rw-r--r-- | debian/patches/disable-more-counters.patch | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/debian/patches/disable-more-counters.patch b/debian/patches/disable-more-counters.patch deleted file mode 100644 index 9e5a106..0000000 --- a/debian/patches/disable-more-counters.patch +++ /dev/null @@ -1,83 +0,0 @@ -commit 862b733dcbeabed8dd545e1c3b3e55bb4e4da52f -Author: Justus Winter <4winter@informatik.uni-hamburg.de> -Date: Thu Apr 23 19:51:51 2015 +0200 - - kern: disable stack allocation counters by default - - Disable the stack allocation counters by default. Casual checking - revealed that the hits-to-miss ratio is excellent. - - * kern/thread.c (stack_alloc_{hits,misses,max}): Move variables... - * kern/counters.c: ... here, and add the usual counter prefix. - * kern/counters.h: New declarations. - -diff --git a/kern/counters.c b/kern/counters.c -index 74fd42d..0a0665b 100644 ---- a/kern/counters.c -+++ b/kern/counters.c -@@ -46,6 +46,9 @@ mach_counter_t c_stacks_current = 0; - mach_counter_t c_stacks_max = 0; - mach_counter_t c_stacks_min = 0; - mach_counter_t c_stacks_total = 0; -+mach_counter_t c_stack_alloc_hits = 0; -+mach_counter_t c_stack_alloc_misses = 0; -+mach_counter_t c_stack_alloc_max = 0; - mach_counter_t c_clock_ticks = 0; - mach_counter_t c_ipc_mqueue_send_block = 0; - mach_counter_t c_ipc_mqueue_receive_block_user = 0; -diff --git a/kern/counters.h b/kern/counters.h -index bfa9b44..aa1e739 100644 ---- a/kern/counters.h -+++ b/kern/counters.h -@@ -69,6 +69,9 @@ extern mach_counter_t c_stacks_current; - extern mach_counter_t c_stacks_max; - extern mach_counter_t c_stacks_min; - extern mach_counter_t c_stacks_total; -+extern mach_counter_t c_stack_alloc_hits; -+extern mach_counter_t c_stack_alloc_misses; -+extern mach_counter_t c_stack_alloc_max; - extern mach_counter_t c_clock_ticks; - extern mach_counter_t c_ipc_mqueue_send_block; - extern mach_counter_t c_ipc_mqueue_receive_block_user; -diff --git a/kern/thread.c b/kern/thread.c -index 5ffa844..009884c 100644 ---- a/kern/thread.c -+++ b/kern/thread.c -@@ -124,10 +124,6 @@ vm_offset_t stack_free_list; /* splsched only */ - unsigned int stack_free_count = 0; /* splsched only */ - unsigned int stack_free_limit = 1; /* patchable */ - --unsigned int stack_alloc_hits = 0; /* debugging */ --unsigned int stack_alloc_misses = 0; /* debugging */ --unsigned int stack_alloc_max = 0; /* debugging */ -- - /* - * The next field is at the base of the stack, - * so the low end is left unsullied. -@@ -160,10 +156,10 @@ boolean_t stack_alloc_try( - - if (stack != 0) { - stack_attach(thread, stack, resume); -- stack_alloc_hits++; -+ counter(c_stack_alloc_hits++); - return TRUE; - } else { -- stack_alloc_misses++; -+ counter(c_stack_alloc_misses++); - return FALSE; - } - } -@@ -235,8 +231,11 @@ void stack_free( - stack_lock(); - stack_next(stack) = stack_free_list; - stack_free_list = stack; -- if (++stack_free_count > stack_alloc_max) -- stack_alloc_max = stack_free_count; -+ stack_free_count += 1; -+#if MACH_COUNTERS -+ if (stack_free_count > c_stack_alloc_max) -+ c_stack_alloc_max = stack_free_count; -+#endif /* MACH_COUNTERS */ - stack_unlock(); - } - } |