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/linux/tools/perf/Documentation/
H A Dexamples.txt14 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 …]
H A Dperf-kmem.txt1 perf-kmem(1)
6 perf-kmem - Tool to trace/measure kernel memory properties
11 'perf kmem' [<options>] {record|stat}
15 There are two variants of perf kmem:
17 'perf kmem [<options>] record [<perf-record-options>] <command>' to
18 record the kmem events of an arbitrary workload. Additional 'perf
22 'perf kmem [<options>] stat' to report kernel memory statistics.
67 Show live page stat. The perf kmem shows total allocation stat by
H A Dperf.txt93 linkperf:perf-kmem[1], linkperf:perf-kvm[1], linkperf:perf-lock[1],
H A Dperf-config.txt135 % perf config ui.show-headers=false kmem.default=slab
592 kmem.*::
593 kmem.default::
/linux/Documentation/trace/
H A Dtracepoint-analysis.rst98 -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 …]
H A Devents.rst461 # echo 'enable_event:kmem:kmalloc:1' > \
468 # echo 'disable_event:kmem:kmalloc' > \
478 # echo '!enable_event:kmem:kmalloc:1' > \
481 # echo '!disable_event:kmem:kmalloc' > \
487 kmem:kmalloc and sched:sched_switch, but can't have two kmem:kmalloc
488 versions such as kmem:kmalloc and kmem:kmalloc:1 or 'kmem:kmalloc if
489 bytes_req == 256' and 'kmem:kmalloc if bytes_alloc == 256' (they
490 could be combined into a single filter on kmem:kmalloc though).
501 /sys/kernel/tracing/events/kmem/kmalloc/trigger
507 /sys/kernel/tracing/events/kmem/kmalloc/trigger
[all …]
H A Devents-kmem.rst2 Subsystem Trace Points: kmem
5 The kmem tracing system captures events related to object and page allocation
/linux/tools/testing/selftests/ftrace/test.d/trigger/
H A Dtrigger-hist.tc44 echo 'hist:keys=call_site.sym' > events/kmem/kmalloc/trigger
46 grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]* *}' events/kmem/kmalloc/hist > /dev/nu…
53 echo 'hist:keys=call_site.sym-offset' > events/kmem/kmalloc/trigger
55 grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]*+0x[0-9a-f][0-9a-f]*' events/kmem/kmall…
H A Dtrigger-hist-mod.tc45 echo 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger
47 grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \
/linux/tools/testing/selftests/ftrace/test.d/filter/
H A Devent-filter-function.tc13 echo 1 > events/kmem/kmem_cache_free/enable
17 echo 0 > events/kmem/kmem_cache_free/enable
38 echo "call_site.function == $target_func" > events/kmem/kmem_cache_free/filter
64 echo "call_site.function == 0x$address" > events/kmem/kmem_cache_free/filter
/linux/tools/perf/scripts/perl/bin/
H A Dcheck-perf-trace-record2 perf record -a -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree
/linux/Documentation/driver-api/cxl/linux/
H A Doverview.rst82 * kmem - dax device is converted to hotplug memory blocks
84 * DAX kmem IO Resource creation
90 b) DAX kmem surfaces memory region to Memory Hotplug to add to page
H A Ddax-driver.rst30 kmem conversion
/linux/drivers/infiniband/hw/mana/
H A Dwr.c13 struct gdma_queue *queue = qp->ud_qp.queues[MANA_UD_RECV_QUEUE].kmem; in mana_ib_post_recv_ud()
80 struct gdma_queue *queue = qp->ud_qp.queues[MANA_UD_SEND_QUEUE].kmem; in mana_ib_post_send_ud()
/linux/Documentation/admin-guide/cgroup-v1/
H A Dmemory.rst98 memory.kmem.limit_in_bytes Deprecated knob to set and read the kernel
104 by memory.kmem.usage_in_bytes.
105 memory.kmem.usage_in_bytes show current kernel memory allocation
106 memory.kmem.failcnt show the number of kernel memory usage
108 memory.kmem.max_usage_in_bytes show max kernel memory usage recorded
110 memory.kmem.tcp.limit_in_bytes set/show hard limit for tcp buf memory
113 memory.kmem.tcp.usage_in_bytes show current tcp buf memory allocation
116 memory.kmem.tcp.failcnt show the number of tcp buf memory usage
120 memory.kmem.tcp.max_usage_in_bytes show max tcp buf memory usage recorded
335 memory.kmem.usage_in_bytes, or in a separate counter when it makes sense.
[all …]
/linux/tools/perf/scripts/perl/
H A Dcheck-perf-trace.pl43 sub kmem::kmalloc subroutine
/linux/Documentation/translations/zh_CN/core-api/
H A Dmemory-allocation.rst53 * 从用户空间触发的不可信任的分配应该是kmem核算的对象，必须设置 ``__GFP_ACCOUNT`` 位。
/linux/drivers/infiniband/hw/irdma/
H A Dverbs.c1923 dma_free_coherent(rf->sc_dev.hw->device, iwsrq->kmem.size, in irdma_srq_free_rsrc()
1924 iwsrq->kmem.va, iwsrq->kmem.pa); in irdma_srq_free_rsrc()
1925 iwsrq->kmem.va = NULL; in irdma_srq_free_rsrc()
1946 dma_free_coherent(rf->sc_dev.hw->device, iwcq->kmem.size, in irdma_cq_free_rsrc()
1947 iwcq->kmem.va, iwcq->kmem.pa); in irdma_cq_free_rsrc()
1948 iwcq->kmem.va = NULL; in irdma_cq_free_rsrc()
2218 cq_buf->kmem_buf = iwcq->kmem; in irdma_resize_cq()
2223 iwcq->kmem = kmem_buf; in irdma_resize_cq()
2378 struct irdma_dma_mem *mem = &iwsrq->kmem; in irdma_setup_kmode_srq()
2514 dma_free_coherent(rf->hw.device, iwsrq->kmem.size, in irdma_create_srq()
[all …]
/linux/tools/perf/
H A Dperf-completion.sh218 if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched|
H A DBuild26 perf-$(CONFIG_LIBTRACEEVENT) += builtin-kmem.o
/linux/Documentation/driver-api/cxl/platform/
H A Dacpi.rst52 memory as a DAX device and/or kmem.
/linux/mm/
H A Dmemcontrol.c1864 K((u64)page_counter_read(&memcg->kmem)), in mem_cgroup_print_oom_meminfo()
1865 K((u64)memcg->kmem.max), memcg->kmem.failcnt); in mem_cgroup_print_oom_meminfo()
4245 page_counter_init(&memcg->kmem, &parent->kmem, false); in mem_cgroup_css_alloc()
4255 page_counter_init(&memcg->kmem, NULL, false); in mem_cgroup_css_alloc()
4433 page_counter_set_max(&memcg->kmem, PAGE_COUNTER_MAX); in mem_cgroup_css_reset()
4503 int kmem = atomic_xchg(&memcg->kmem_stat, 0); in flush_nmi_stats() local
4506 memcg->vmstats->state[index] += kmem; in flush_nmi_stats()
4507 memcg->vmstats->state_local[index] += kmem; in flush_nmi_stats()
4509 parent->vmstats->state_pending[index] += kmem; in flush_nmi_stats()
H A Dmemcontrol-v1.c1928 counter = &memcg->kmem; in mem_cgroup_read_u64()
2062 counter = &memcg->kmem; in mem_cgroup_reset()
2535 page_counter_charge(&memcg->kmem, nr_pages); in memcg1_account_kmem()
2537 page_counter_uncharge(&memcg->kmem, -nr_pages); in memcg1_account_kmem()
/linux/include/trace/events/
H A Dkmem.h3 #define TRACE_SYSTEM kmem
/linux/drivers/net/ethernet/broadcom/bnxt/
H A Dbnxt_ethtool.c3550 u8 *kmem; in bnxt_flash_nvram() local
3552 kmem = hwrm_req_dma_slice(bp, req, data_len, &dma_handle); in bnxt_flash_nvram()
3553 if (!kmem) { in bnxt_flash_nvram()
3560 memcpy(kmem, data, data_len); in bnxt_flash_nvram()
3981 u8 *kmem = NULL; in bnxt_flash_package_from_fw_obj() local
4005 kmem = hwrm_req_dma_slice(bp, modify, modify_len, &dma_handle); in bnxt_flash_package_from_fw_obj()
4006 if (!kmem && modify_len > PAGE_SIZE) in bnxt_flash_package_from_fw_obj()
4011 if (!kmem) { in bnxt_flash_package_from_fw_obj()
4062 memcpy(kmem, fw->data + copied, len); in bnxt_flash_package_from_fw_obj()

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