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* Added a peak value (the maximum number of allocated objects) to the net_buffer

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35602 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2010-02-24 15:08:06 +00:00
parent ff59ce680d
commit f52b12e51a
1 changed files with 18 additions and 6 deletions
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src/add-ons/kernel/network/stack/net_buffer.cpp
+18 -6
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@@ -163,6 +163,8 @@ static vint32 sAllocatedDataHeaderCount = 0;
static vint32 sAllocatedNetBufferCount = 0; static vint32 sAllocatedNetBufferCount = 0;
static vint32 sEverAllocatedDataHeaderCount = 0; static vint32 sEverAllocatedDataHeaderCount = 0;
static vint32 sEverAllocatedNetBufferCount = 0; static vint32 sEverAllocatedNetBufferCount = 0;
static vint32 sMaxAllocatedDataHeaderCount = 0;
static vint32 sMaxAllocatedNetBufferCount = 0;
#endif #endif
@@ -611,10 +613,12 @@ dump_net_buffer(int argc, char** argv)
static int static int
dump_net_buffer_stats(int argc, char** argv) dump_net_buffer_stats(int argc, char** argv)
{ {
kprintf("allocated data headers: %7ld / %7ld\n", sAllocatedDataHeaderCount, kprintf("allocated data headers: %7ld / %7ld, peak %7ld\n",
sEverAllocatedDataHeaderCount); sAllocatedDataHeaderCount, sEverAllocatedDataHeaderCount,
kprintf("allocated net buffers: %7ld / %7ld\n", sAllocatedNetBufferCount, sMaxAllocatedDataHeaderCount);
sEverAllocatedNetBufferCount); kprintf("allocated net buffers: %7ld / %7ld, peak %7ld\n",
sAllocatedNetBufferCount, sEverAllocatedNetBufferCount,
sMaxAllocatedNetBufferCount);
return 0; return 0;
} }
@@ -706,7 +710,11 @@ static inline data_header*
allocate_data_header() allocate_data_header()
{ {
#if ENABLE_STATS #if ENABLE_STATS
atomic_add(&sAllocatedDataHeaderCount, 1); int32 current = atomic_add(&sAllocatedDataHeaderCount, 1) + 1;
int32 max = atomic_get(&sMaxAllocatedDataHeaderCount);
if (current > max)
atomic_test_and_set(&sMaxAllocatedDataHeaderCount, current, max);
atomic_add(&sEverAllocatedDataHeaderCount, 1); atomic_add(&sEverAllocatedDataHeaderCount, 1);
#endif #endif
return (data_header*)object_cache_alloc(sDataNodeCache, 0); return (data_header*)object_cache_alloc(sDataNodeCache, 0);
@@ -717,7 +725,11 @@ static inline net_buffer_private*
allocate_net_buffer() allocate_net_buffer()
{ {
#if ENABLE_STATS #if ENABLE_STATS
atomic_add(&sAllocatedNetBufferCount, 1); int32 current = atomic_add(&sAllocatedNetBufferCount, 1) + 1;
int32 max = atomic_get(&sMaxAllocatedNetBufferCount);
if (current > max)
atomic_test_and_set(&sMaxAllocatedNetBufferCount, current, max);
atomic_add(&sEverAllocatedNetBufferCount, 1); atomic_add(&sEverAllocatedNetBufferCount, 1);
#endif #endif
return (net_buffer_private*)object_cache_alloc(sNetBufferCache, 0); return (net_buffer_private*)object_cache_alloc(sNetBufferCache, 0);