| /linux-6.14.4/drivers/infiniband/core/ |
| D | uverbs_std_types_counters.c | 42 struct ib_counters *counters = uobject->object; in uverbs_free_counters() local
45 if (atomic_read(&counters->usecnt)) in uverbs_free_counters()
48 ret = counters->device->ops.destroy_counters(counters); in uverbs_free_counters()
51 kfree(counters); in uverbs_free_counters()
61 struct ib_counters *counters; in UVERBS_HANDLER() local
72 counters = rdma_zalloc_drv_obj(ib_dev, ib_counters); in UVERBS_HANDLER()
73 if (!counters) in UVERBS_HANDLER()
76 counters->device = ib_dev; in UVERBS_HANDLER()
77 counters->uobject = uobj; in UVERBS_HANDLER()
78 uobj->object = counters; in UVERBS_HANDLER()
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| /linux-6.14.4/net/netfilter/ |
| D | xt_connbytes.c | 30 const struct nf_conn_counter *counters; in connbytes_mt() local
40 counters = acct->counter; in connbytes_mt()
45 what = atomic64_read(&counters[IP_CT_DIR_ORIGINAL].packets); in connbytes_mt()
48 what = atomic64_read(&counters[IP_CT_DIR_REPLY].packets); in connbytes_mt()
51 what = atomic64_read(&counters[IP_CT_DIR_ORIGINAL].packets); in connbytes_mt()
52 what += atomic64_read(&counters[IP_CT_DIR_REPLY].packets); in connbytes_mt()
59 what = atomic64_read(&counters[IP_CT_DIR_ORIGINAL].bytes); in connbytes_mt()
62 what = atomic64_read(&counters[IP_CT_DIR_REPLY].bytes); in connbytes_mt()
65 what = atomic64_read(&counters[IP_CT_DIR_ORIGINAL].bytes); in connbytes_mt()
66 what += atomic64_read(&counters[IP_CT_DIR_REPLY].bytes); in connbytes_mt()
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| /linux-6.14.4/lib/ |
| D | percpu_counter.c | 3 * Fast batching percpu counters.
67 s32 *pcount = per_cpu_ptr(fbc->counters, cpu); in percpu_counter_set()
83 * the this_cpu_add(), and the interrupt updates this_cpu(*fbc->counters),
98 count = this_cpu_read(*fbc->counters); in percpu_counter_add_batch()
106 count = __this_cpu_read(*fbc->counters); in percpu_counter_add_batch()
108 __this_cpu_sub(*fbc->counters, count); in percpu_counter_add_batch()
112 } while (!this_cpu_try_cmpxchg(*fbc->counters, &count, count + amount)); in percpu_counter_add_batch()
126 count = __this_cpu_read(*fbc->counters) + amount; in percpu_counter_add_batch()
130 __this_cpu_sub(*fbc->counters, count - amount); in percpu_counter_add_batch()
133 this_cpu_add(*fbc->counters, amount); in percpu_counter_add_batch()
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| /linux-6.14.4/tools/testing/selftests/net/tcp_ao/lib/ |
| D | proc.c | 18 struct netstat_counter *counters; member
52 ret->counters = NULL; in lookup_get()
81 type->counters = reallocarray(type->counters, in netstat_read_type()
84 if (!type->counters) in netstat_read_type()
95 struct netstat_counter *nc = &type->counters[i]; in netstat_read_type()
133 type->counters = reallocarray(type->counters, i + 1, in snmp6_read()
135 if (!type->counters) in snmp6_read()
137 nc = &type->counters[i]; in snmp6_read()
196 free(ns->counters[i].name); in netstat_free()
197 free(ns->counters); in netstat_free()
[all …]
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| /linux-6.14.4/tools/perf/ |
| D | design.txt | 2 Performance Counters for Linux
5 Performance counters are special hardware registers available on most modern
13 hardware capabilities. It provides per task and per CPU counters, counter
15 provides "virtual" 64-bit counters, regardless of the width of the
16 underlying hardware counters.
18 Performance counters are accessed via special file descriptors.
32 Multiple counters can be kept open at a time, and the counters
115 on all CPUs that implement Performance Counters support under Linux,
130 * Special "software" counters provided by the kernel, even if the hardware
131 * does not support performance counters. These counters measure various
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| /linux-6.14.4/Documentation/arch/arm64/ |
| D | amu.rst | 22 counters intended for system management use. The AMU extension provides a
27 of four fixed and architecturally defined 64-bit event counters.
37 When in WFI or WFE these counters do not increment.
40 event counters. Future versions of the architecture may use this space to
41 implement additional architected event counters.
44 64-bit event counters.
46 On cold reset all counters reset to 0.
59 counters, only the presence of the extension.
66 - Enable the counters. If not enabled these will read as 0.
67 - Save/restore the counters before/after the CPU is being put/brought up
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| /linux-6.14.4/Documentation/core-api/ |
| D | local_ops.rst | 30 counters. They minimize the performance cost of standard atomic operations by
34 Having fast per CPU atomic counters is interesting in many cases: it does not
36 coherent counters in NMI handlers. It is especially useful for tracing purposes
37 and for various performance monitoring counters.
95 static DEFINE_PER_CPU(local_t, counters) = LOCAL_INIT(0);
107 local_inc(&get_cpu_var(counters));
108 put_cpu_var(counters);
113 local_inc(this_cpu_ptr(&counters));
117 Reading the counters
120 Those local counters can be read from foreign CPUs to sum the count. Note that
[all …]
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| /linux-6.14.4/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/ |
| D | counters.rst | 5 Ethtool counters
22 addition, each group of counters may have different counter types.
53 | Uplink (no counters) |
58 | MPFS (no counters) |
68 Software counters populated by the driver stack.
71 An aggregation of software ring counters.
73 vPort counters
74 Traffic counters and drops due to steering or no buffers. May indicate issues
75 with NIC. These counters include Ethernet traffic counters (including Raw
76 Ethernet) and RDMA/RoCE traffic counters.
[all …]
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| /linux-6.14.4/Documentation/translations/zh_CN/core-api/ |
| D | local_ops.rst | 93 static DEFINE_PER_CPU(local_t, counters) = LOCAL_INIT(0);
105 local_inc(&get_cpu_var(counters));
106 put_cpu_var(counters);
110 local_inc(this_cpu_ptr(&counters));
123 sum += local_read(&per_cpu(counters, cpu));
143 static DEFINE_PER_CPU(local_t, counters) = LOCAL_INIT(0);
152 local_inc(this_cpu_ptr(&counters));
157 * local_inc(&get_cpu_var(counters));
158 * put_cpu_var(counters);
166 /* Increment the counters */
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| /linux-6.14.4/drivers/net/ethernet/aquantia/atlantic/macsec/ |
| D | macsec_api.h | 265 /*! Read the counters for the specified SC, and unpack them into the
266 * fields of counters.
267 * counters - [OUT] The raw table row data will be unpacked here.
271 struct aq_mss_egress_sc_counters *counters,
274 /*! Read the counters for the specified SA, and unpack them into the
275 * fields of counters.
276 * counters - [OUT] The raw table row data will be unpacked here.
280 struct aq_mss_egress_sa_counters *counters,
283 /*! Read the counters for the common egress counters, and unpack them
284 * into the fields of counters.
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| D | macsec_api.c | 1825 struct aq_mss_egress_sc_counters *counters, in get_egress_sc_counters() argument
1837 counters->sc_protected_pkts[0] = in get_egress_sc_counters()
1839 counters->sc_protected_pkts[1] = in get_egress_sc_counters()
1845 counters->sc_encrypted_pkts[0] = in get_egress_sc_counters()
1847 counters->sc_encrypted_pkts[1] = in get_egress_sc_counters()
1853 counters->sc_protected_octets[0] = in get_egress_sc_counters()
1855 counters->sc_protected_octets[1] = in get_egress_sc_counters()
1861 counters->sc_encrypted_octets[0] = in get_egress_sc_counters()
1863 counters->sc_encrypted_octets[1] = in get_egress_sc_counters()
1870 struct aq_mss_egress_sc_counters *counters, in aq_mss_get_egress_sc_counters() argument
[all …]
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| /linux-6.14.4/Documentation/ABI/testing/ |
| D | sysfs-platform-mellanox-pmc | 2 MLNXBFD0 mlxbf-pmc Performance counters (BlueField-1)
3 MLNXBFD1 mlxbf-pmc Performance counters (BlueField-2)
4 MLNXBFD2 mlxbf-pmc Performance counters (BlueField-3)
11 List of events supported by the counters in the specific block.
39 Start or stop counters. This is used to start the counters
41 counters after the desired duration. Writing value 1 will
42 start all the counters in the block, and writing 0 will
43 stop all the counters together.
61 any of the counters in the block to counting cycles. Each counter is
|
| /linux-6.14.4/fs/bcachefs/ |
| D | sb-counters.c | 4 #include "sb-counters.h"
32 struct bch_sb_field_counters *ctrs = field_to_type(f, counters); in bch2_sb_counters_to_text()
43 struct bch_sb_field_counters *ctrs = bch2_sb_field_get(c->disk_sb.sb, counters); in bch2_sb_counters_to_cpu()
53 percpu_u64_set(&c->counters[i], val); in bch2_sb_counters_to_cpu()
61 struct bch_sb_field_counters *ctrs = bch2_sb_field_get(c->disk_sb.sb, counters); in bch2_sb_counters_from_cpu()
67 ret = bch2_sb_field_resize(&c->disk_sb, counters, in bch2_sb_counters_from_cpu()
78 ctrs->d[i] = cpu_to_le64(percpu_u64_get(&c->counters[i])); in bch2_sb_counters_from_cpu()
84 free_percpu(c->counters); in bch2_fs_counters_exit()
89 c->counters = __alloc_percpu(sizeof(u64) * BCH_COUNTER_NR, sizeof(u64)); in bch2_fs_counters_init()
90 if (!c->counters) in bch2_fs_counters_init()
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| /linux-6.14.4/samples/cgroup/ |
| D | memcg_event_listener.c | 45 struct memcg_counters counters; member
51 static void print_memcg_counters(const struct memcg_counters *counters) in print_memcg_counters() argument
54 printf("\tlow: %ld\n", counters->low); in print_memcg_counters()
55 printf("\thigh: %ld\n", counters->high); in print_memcg_counters()
56 printf("\tmax: %ld\n", counters->max); in print_memcg_counters()
57 printf("\toom: %ld\n", counters->oom); in print_memcg_counters()
58 printf("\toom_kill: %ld\n", counters->oom_kill); in print_memcg_counters()
59 printf("\toom_group_kill: %ld\n", counters->oom_group_kill); in print_memcg_counters()
109 struct memcg_counters *counters = &events->counters; in read_memcg_events() local
118 .old = &counters->low, in read_memcg_events()
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| /linux-6.14.4/tools/perf/util/ |
| D | values.c | 26 values->counters = malloc(values->counters_max * sizeof(*values->counters)); in perf_read_values_init()
27 if (!values->counters) { in perf_read_values_init()
28 pr_debug("failed to allocate read_values counters array"); in perf_read_values_init()
36 zfree(&values->counters); in perf_read_values_init()
56 zfree(&values->counters); in perf_read_values_destroy()
101 pr_debug("failed to allocate read_values counters array"); in perf_read_values__findnew_thread()
114 struct evsel **new_counters = realloc(values->counters, in perf_read_values__enlarge_counters()
115 counters_max * sizeof(*values->counters)); in perf_read_values__enlarge_counters()
118 pr_debug("failed to enlarge read_values counters array"); in perf_read_values__enlarge_counters()
137 values->counters = new_counters; in perf_read_values__enlarge_counters()
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| /linux-6.14.4/include/linux/ |
| D | nfs_iostat.h | 13 * These counters are not meant to be human-readable, but are meant
15 * "iostat". As such, the counters are sampled by the tools over
28 * NFS byte counters
40 * These counters give a view of the data throughput into and out
46 * These counters can also help characterize which access methods
53 * NFS page counters
58 * NB: When adding new byte counters, please include the measured
75 * NFS event counters
77 * These counters provide a low-overhead way of monitoring client
78 * activity without enabling NFS trace debugging. The counters
|
| /linux-6.14.4/drivers/perf/amlogic/ |
| D | meson_ddr_pmu_core.c | 23 struct dmc_counter counters; /* save counters from hw */ member
93 /* get the remain counters in register. */ in meson_ddr_perf_event_update()
96 ddr_cnt_addition(&sum_dc, &pmu->counters, &dc, chann_nr); in meson_ddr_perf_event_update()
147 memset(&pmu->counters, 0, sizeof(pmu->counters)); in meson_ddr_perf_event_start()
351 struct dmc_counter counters, *sum_cnter; in dmc_irq_handler() local
356 if (info->hw_info->irq_handler(info, &counters) != 0) in dmc_irq_handler()
359 sum_cnter = &pmu->counters; in dmc_irq_handler()
360 sum_cnter->all_cnt += counters.all_cnt; in dmc_irq_handler()
361 sum_cnter->all_req += counters.all_req; in dmc_irq_handler()
364 sum_cnter->channel_cnt[i] += counters.channel_cnt[i]; in dmc_irq_handler()
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| /linux-6.14.4/fs/xfs/scrub/ |
| D | fscounters.c | 29 * FS Summary Counters
35 * Then we compare what we computed against the in-core counters.
37 * However, the reality is that summary counters are a tricky beast to check.
48 * structures as quickly as it can. We snapshot the percpu counters before and
55 * values, the percpu counters should be fairly close to each other. However,
62 * contents and trust that the incore counters match the ondisk counters. (The
64 * summary counters after checking all AG headers). Do this from the setup
145 * that comprise the summary counters and compare them to the percpu counters.
219 /* We must get the incore counters set up before we can proceed. */ in xchk_setup_fscounters()
226 * reduce the likelihood of background perturbations to the counters in xchk_setup_fscounters()
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| D | fscounters_repair.c | 31 * FS Summary Counters
34 * We correct errors in the filesystem summary counters by setting them to the
36 * careful not to allow any other thread to change the counters while we're
43 * Reset the superblock counters. Caller is responsible for freezing the
54 * Reinitialize the in-core counters from what we computed. We froze in xrep_fscounters()
56 * these counters. in xrep_fscounters()
71 * lazy sb counters and thus no update of sb_fdblocks here. But in xrep_fscounters()
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| /linux-6.14.4/net/ipv4/netfilter/ |
| D | arp_tables.c | 230 counter = xt_get_this_cpu_counter(&e->counters); in arpt_do_table()
319 e->counters.pcnt = pos; in mark_source_chains()
345 pos = e->counters.pcnt; in mark_source_chains()
346 e->counters.pcnt = 0; in mark_source_chains()
360 e->counters.pcnt = pos; in mark_source_chains()
379 e->counters.pcnt = pos; in mark_source_chains()
413 if (!xt_percpu_counter_alloc(alloc_state, &e->counters)) in find_check_entry()
432 xt_percpu_counter_free(&e->counters); in find_check_entry()
494 /* Clear counters and comefrom */ in check_entry_size_and_hooks()
495 e->counters = ((struct xt_counters) { 0, 0 }); in check_entry_size_and_hooks()
[all …]
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| D | ip_tables.c | 297 counter = xt_get_this_cpu_counter(&e->counters); in ipt_do_table()
383 e->counters.pcnt = pos; in mark_source_chains()
407 pos = e->counters.pcnt; in mark_source_chains()
408 e->counters.pcnt = 0; in mark_source_chains()
422 e->counters.pcnt = pos; in mark_source_chains()
441 e->counters.pcnt = pos; in mark_source_chains()
526 if (!xt_percpu_counter_alloc(alloc_state, &e->counters)) in find_check_entry()
566 xt_percpu_counter_free(&e->counters); in find_check_entry()
629 /* Clear counters and comefrom */ in check_entry_size_and_hooks()
630 e->counters = ((struct xt_counters) { 0, 0 }); in check_entry_size_and_hooks()
[all …]
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| /linux-6.14.4/tools/perf/tests/shell/ |
| D | stat_bpf_counters.sh | 2 # perf stat --bpf-counters test (exclusive)
36 echo "Failed: instructions not counted with --bpf-counters"
43 printf "Testing --bpf-counters "
45 …bpf_instructions=$(perf stat --no-big-num --bpf-counters -e instructions -- $workload 2>&1 | awk …
62 # skip if --bpf-counters is not supported
63 if ! perf stat -e instructions --bpf-counters true > /dev/null 2>&1; then
65 echo "Skipping: --bpf-counters not supported"
66 perf --no-pager stat -e instructions --bpf-counters true || true
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| /linux-6.14.4/Documentation/admin-guide/perf/ |
| D | alibaba_pmu.rst | 23 Each sub-channel has 36 PMU counters in total, which is classified into
26 - Group 0: PMU Cycle Counter. This group has one pair of counters
30 - Group 1: PMU Bandwidth Counters. This group has 8 counters that are used
32 selected rank, or four ranks separately in the first 4 counters. The base
35 - Group 2: PMU Retry Counters. This group has 10 counters, that intend to
38 - Group 3: PMU Common Counters. This group has 16 counters, that are used
41 For now, the Driveway PMU driver only uses counters in group 0 and group 3.
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| /linux-6.14.4/net/ipv6/netfilter/ |
| D | ip6_tables.c | 320 counter = xt_get_this_cpu_counter(&e->counters); in ip6t_do_table()
401 e->counters.pcnt = pos; in mark_source_chains()
425 pos = e->counters.pcnt; in mark_source_chains()
426 e->counters.pcnt = 0; in mark_source_chains()
440 e->counters.pcnt = pos; in mark_source_chains()
459 e->counters.pcnt = pos; in mark_source_chains()
545 if (!xt_percpu_counter_alloc(alloc_state, &e->counters)) in find_check_entry()
584 xt_percpu_counter_free(&e->counters); in find_check_entry()
647 /* Clear counters and comefrom */ in check_entry_size_and_hooks()
648 e->counters = ((struct xt_counters) { 0, 0 }); in check_entry_size_and_hooks()
[all …]
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| /linux-6.14.4/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/ |
| D | tc_flower_scale.sh | 11 # counters.
12 max_cnts=$(devlink_resource_size_get counters flow)
14 # Remove already allocated counters.
15 ((max_cnts -= $(devlink_resource_occ_get counters flow)))
17 # Each rule uses two counters, for packets and bytes.
|