| /Linux-v4.19/lib/ |
| D | test_user_copy.c | 53 char *kmem; in test_user_copy_init() local
64 kmem = kmalloc(PAGE_SIZE * 2, GFP_KERNEL); in test_user_copy_init()
65 if (!kmem) in test_user_copy_init()
73 kfree(kmem); in test_user_copy_init()
83 memset(kmem, 0x3a, PAGE_SIZE * 2); in test_user_copy_init()
84 ret |= test(copy_to_user(usermem, kmem, PAGE_SIZE), in test_user_copy_init()
86 memset(kmem, 0x0, PAGE_SIZE); in test_user_copy_init()
87 ret |= test(copy_from_user(kmem, usermem, PAGE_SIZE), in test_user_copy_init()
89 ret |= test(memcmp(kmem, kmem + PAGE_SIZE, PAGE_SIZE), in test_user_copy_init()
122 memset(kmem, 0x5a, PAGE_SIZE); in test_user_copy_init()
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| D | test_kasan.c | 440 char *kmem; in copy_user_test() local
445 kmem = kmalloc(size, GFP_KERNEL); in copy_user_test()
446 if (!kmem) in copy_user_test()
454 kfree(kmem); in copy_user_test()
459 unused = copy_from_user(kmem, usermem, size + 1); in copy_user_test()
462 unused = copy_to_user(usermem, kmem, size + 1); in copy_user_test()
465 unused = __copy_from_user(kmem, usermem, size + 1); in copy_user_test()
468 unused = __copy_to_user(usermem, kmem, size + 1); in copy_user_test()
471 unused = __copy_from_user_inatomic(kmem, usermem, size + 1); in copy_user_test()
474 unused = __copy_to_user_inatomic(usermem, kmem, size + 1); in copy_user_test()
[all …]
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| /Linux-v4.19/tools/perf/Documentation/ |
| D | examples.txt | 14 kmem:kmalloc [Tracepoint event]
15 kmem:kmem_cache_alloc [Tracepoint event]
16 kmem:kmalloc_node [Tracepoint event]
17 kmem:kmem_cache_alloc_node [Tracepoint event]
18 kmem:kfree [Tracepoint event]
19 kmem:kmem_cache_free [Tracepoint event]
20 kmem:mm_page_free [Tracepoint event]
21 kmem:mm_page_free_batched [Tracepoint event]
22 kmem:mm_page_alloc [Tracepoint event]
23 kmem:mm_page_alloc_zone_locked [Tracepoint event]
[all …]
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| D | perf-kmem.txt | 1 perf-kmem(1)
6 perf-kmem - Tool to trace/measure kernel memory properties
11 'perf kmem' {record|stat} [<options>]
15 There are two variants of perf kmem:
17 'perf kmem record <command>' to record the kmem events
20 'perf kmem stat' to report kernel memory statistics.
64 Show live page stat. The perf kmem shows total allocation stat by
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| /Linux-v4.19/Documentation/trace/ |
| D | tracepoint-analysis.rst | 98 -e kmem:mm_page_alloc -e kmem:mm_page_free \
99 -e kmem:mm_page_free_batched \
103 9630 kmem:mm_page_alloc
104 2143 kmem:mm_page_free
105 7424 kmem:mm_page_free_batched
125 $ perf stat -e kmem:mm_page_alloc -e kmem:mm_page_free \
126 -e kmem:mm_page_free_batched ./hackbench 10
131 17803 kmem:mm_page_alloc
132 12398 kmem:mm_page_free
133 4827 kmem:mm_page_free_batched
[all …]
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| D | events.rst | 391 # echo 'enable_event:kmem:kmalloc:1' > \
398 # echo 'disable_event:kmem:kmalloc' > \
408 # echo '!enable_event:kmem:kmalloc:1' > \
411 # echo '!disable_event:kmem:kmalloc' > \
417 kmem:kmalloc and sched:sched_switch, but can't have two kmem:kmalloc
418 versions such as kmem:kmalloc and kmem:kmalloc:1 or 'kmem:kmalloc if
419 bytes_req == 256' and 'kmem:kmalloc if bytes_alloc == 256' (they
420 could be combined into a single filter on kmem:kmalloc though).
431 /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
437 /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
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| D | index.rst | 16 events-kmem
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| D | events-kmem.rst | 2 Subsystem Trace Points: kmem
5 The kmem tracing system captures events related to object and page allocation
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| D | histogram.rst | 224 # cat /sys/kernel/debug/tracing/events/kmem/kmalloc/format
244 /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
258 # cat /sys/kernel/debug/tracing/events/kmem/kmalloc/hist
298 # cat /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
329 /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
337 /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
339 # cat /sys/kernel/debug/tracing/events/kmem/kmalloc/hist
382 /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
384 # cat /sys/kernel/debug/tracing/events/kmem/kmalloc/hist
432 /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
[all …]
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| /Linux-v4.19/tools/perf/scripts/perl/bin/ |
| D | check-perf-trace-record | 2 perf record -a -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree
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| /Linux-v4.19/tools/testing/selftests/ftrace/test.d/trigger/ |
| D | trigger-hist-mod.tc | 69 echo 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger
71 grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \
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| /Linux-v4.19/arch/x86/kernel/cpu/ |
| D | intel_rdt_pseudo_lock.c | 262 kfree(plr->kmem); in pseudo_lock_region_clear()
263 plr->kmem = NULL; in pseudo_lock_region_clear()
377 plr->kmem = kzalloc(plr->size, GFP_KERNEL); in pseudo_lock_region_alloc()
378 if (!plr->kmem) { in pseudo_lock_region_alloc()
484 mem_r = plr->kmem; in pseudo_lock_fn()
915 mem_r = plr->kmem; in measure_cycles_lat_fn()
1041 mem_r = plr->kmem; in measure_cycles_perf_fn()
1443 physical = __pa(plr->kmem) >> PAGE_SHIFT; in pseudo_lock_dev_mmap()
1465 memset(plr->kmem + off, 0, vsize); in pseudo_lock_dev_mmap()
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| D | intel_rdt.h | 156 void *kmem; member
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| /Linux-v4.19/drivers/crypto/nx/ |
| D | nx.c | 320 memset(nx_ctx->kmem, 0, nx_ctx->kmem_len); in nx_ctx_init()
682 nx_ctx->kmem = kmalloc(nx_ctx->kmem_len, GFP_KERNEL); in nx_crypto_ctx_init()
683 if (!nx_ctx->kmem) in nx_crypto_ctx_init()
687 nx_ctx->csbcpb = (struct nx_csbcpb *)(round_up((u64)nx_ctx->kmem, in nx_crypto_ctx_init()
762 kzfree(nx_ctx->kmem); in nx_crypto_ctx_exit()
773 kzfree(nx_ctx->kmem); in nx_crypto_ctx_aead_exit()
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| D | nx.h | 130 void *kmem; /* unaligned, kmalloc'd buffer */ member
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| /Linux-v4.19/tools/perf/scripts/perl/ |
| D | check-perf-trace.pl | 43 sub kmem::kmalloc subroutine
|
| /Linux-v4.19/tools/perf/ |
| D | command-list.txt | 18 perf-kmem mainporcelain common
|
| D | Build | 19 perf-y += builtin-kmem.o
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| D | perf-completion.sh | 198 if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched|
|
| /Linux-v4.19/Documentation/cgroup-v1/ |
| D | memory.txt | 81 memory.kmem.limit_in_bytes # set/show hard limit for kernel memory
82 memory.kmem.usage_in_bytes # show current kernel memory allocation
83 memory.kmem.failcnt # show the number of kernel memory usage hits limits
84 memory.kmem.max_usage_in_bytes # show max kernel memory usage recorded
86 memory.kmem.tcp.limit_in_bytes # set/show hard limit for tcp buf memory
87 memory.kmem.tcp.usage_in_bytes # show current tcp buf memory allocation
88 memory.kmem.tcp.failcnt # show the number of tcp buf memory usage hits limits
89 memory.kmem.tcp.max_usage_in_bytes # show max tcp buf memory usage recorded
289 memory.kmem.usage_in_bytes, or in a separate counter when it makes sense.
291 The main "kmem" counter is fed into the main counter, so kmem charges will
[all …]
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| /Linux-v4.19/drivers/infiniband/hw/i40iw/ |
| D | i40iw_verbs.h | 115 struct i40iw_dma_mem kmem; member
|
| /Linux-v4.19/fs/xfs/ |
| D | Makefile | 92 kmem.o
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| /Linux-v4.19/drivers/net/ethernet/broadcom/bnxt/ |
| D | bnxt_ethtool.c | 1424 u8 *kmem; in bnxt_flash_nvram() local
1434 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, in bnxt_flash_nvram()
1436 if (!kmem) { in bnxt_flash_nvram()
1441 memcpy(kmem, data, data_len); in bnxt_flash_nvram()
1445 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); in bnxt_flash_nvram()
1727 u8 *kmem; in bnxt_flash_package_from_file() local
1735 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size, in bnxt_flash_package_from_file()
1737 if (!kmem) { in bnxt_flash_package_from_file()
1743 memcpy(kmem, fw->data, fw->size); in bnxt_flash_package_from_file()
1748 dma_free_coherent(&bp->pdev->dev, fw->size, kmem, in bnxt_flash_package_from_file()
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| /Linux-v4.19/mm/ |
| D | memcontrol.c | 1330 K((u64)page_counter_read(&memcg->kmem)), in mem_cgroup_print_oom_info()
1331 K((u64)memcg->kmem.max), memcg->kmem.failcnt); in mem_cgroup_print_oom_info()
2595 !page_counter_try_charge(&memcg->kmem, nr_pages, &counter)) { in memcg_kmem_charge_memcg()
2646 page_counter_uncharge(&memcg->kmem, nr_pages); in memcg_kmem_uncharge()
3031 counter = &memcg->kmem; in mem_cgroup_read_u64()
3146 WARN_ON(page_counter_read(&memcg->kmem)); in memcg_free_kmem()
3168 ret = page_counter_set_max(&memcg->kmem, max); in memcg_update_kmem_max()
3267 counter = &memcg->kmem; in mem_cgroup_reset()
4496 page_counter_init(&memcg->kmem, &parent->kmem); in mem_cgroup_css_alloc()
4502 page_counter_init(&memcg->kmem, NULL); in mem_cgroup_css_alloc()
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| /Linux-v4.19/include/trace/events/ |
| D | kmem.h | 3 #define TRACE_SYSTEM kmem
|
