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Searched refs:ncpus (Results 1 – 25 of 43) sorted by relevance

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/linux/lib/
H A Dgroup_cpus.c105 unsigned ncpus; member
114 return ln->ncpus - rn->ncpus; in ncpus_cmp_func()
123 unsigned int ngroups, ncpus; in alloc_groups_to_nodes() local
198 if (node_groups[n].ncpus == UINT_MAX) in alloc_groups_to_nodes()
203 ncpus = node_groups[n].ncpus; in alloc_groups_to_nodes()
205 numgrps * ncpus / remaining_ncpus); in alloc_groups_to_nodes()
206 WARN_ON_ONCE(ngroups > ncpus); in alloc_groups_to_nodes()
210 remaining_ncpus -= ncpus; in alloc_groups_to_nodes()
239 node_groups[n].ncpus = UINT_MAX; in alloc_nodes_groups()
243 unsigned int ncpus; in alloc_nodes_groups() local
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/linux/tools/testing/selftests/rcutorture/bin/
H A Dcpus2use.sh17 ncpus=`grep '^processor' /proc/cpuinfo | wc -l`
21 awk -v ncpus=$ncpus '{ print ncpus * ($7 + $NF) / 100 }'`
24 idlecpus=$ncpus
26 awk -v ncpus=$ncpus -v idlecpus=$idlecpus < /dev/null '
H A Dkvm.sh400 awk < $T/cfgcpu.sort > $T/cfgcpu.pack -v ncpus=$cpus '
417 # can be executed concurrently given ncpus. Note that a given test
420 while (nc != ncpus) {
422 nc = ncpus;
429 if (nc >= cpus[i] || nc == ncpus) {
508 if (ja[1] == -1 && ncpus == 0)
511 njitter = ncpus;
526 if (cpusr[jn] > ncpus && ncpus != 0)
594 nc = ncpus;
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H A Dkvm-build.sh44 ncpus="`getconf _NPROCESSORS_ONLN`"
45 make -j$((2 * ncpus)) $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1
/linux/arch/x86/include/asm/trace/
H A Dhyperv.h16 __field(unsigned int, ncpus)
21 TP_fast_assign(__entry->ncpus = cpumask_weight(cpus);
27 __entry->ncpus, __entry->mm,
64 __field(unsigned int, ncpus)
67 TP_fast_assign(__entry->ncpus = cpumask_weight(cpus);
71 __entry->ncpus, __entry->vector)
/linux/arch/powerpc/platforms/powermac/
H A Dsmp.c271 int i, ncpus; in smp_psurge_probe() local
297 ncpus = 4; in smp_psurge_probe()
309 ncpus = 2; in smp_psurge_probe()
323 if (ncpus > NR_CPUS) in smp_psurge_probe()
324 ncpus = NR_CPUS; in smp_psurge_probe()
325 for (i = 1; i < ncpus ; ++i) in smp_psurge_probe()
562 static void __init smp_core99_setup_i2c_hwsync(int ncpus) in smp_core99_setup_i2c_hwsync() argument
696 static void __init smp_core99_setup(int ncpus) in smp_core99_setup() argument
704 smp_core99_setup_i2c_hwsync(ncpus); in smp_core99_setup()
753 for (i = 1; i < ncpus; ++i) in smp_core99_setup()
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/linux/tools/perf/util/
H A Dbpf_ftrace.c25 int i, ncpus = 1, ntasks = 1; in perf_ftrace__latency_prepare_bpf() local
62 ncpus = perf_cpu_map__nr(evlist__core(ftrace->evlist)->user_requested_cpus); in perf_ftrace__latency_prepare_bpf()
63 bpf_map__set_max_entries(skel->maps.cpu_filter, ncpus); in perf_ftrace__latency_prepare_bpf()
89 for (i = 0; i < ncpus; i++) { in perf_ftrace__latency_prepare_bpf()
175 int ncpus = cpu__max_cpu().cpu; in perf_ftrace__latency_read_bpf()
179 hist = calloc(ncpus, sizeof(*hist)); in perf_ftrace__latency_read_bpf()
190 for (i = 0; i < ncpus; i++) in perf_ftrace__latency_read_bpf()
174 int ncpus = cpu__max_cpu().cpu; perf_ftrace__latency_read_bpf() local
H A Dcounts.c10 struct perf_counts *perf_counts__new(int ncpus, int nthreads) in perf_counts__new() argument
17 values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values)); in perf_counts__new()
25 values = xyarray__new(ncpus, nthreads, sizeof(bool)); in perf_counts__new()
H A Dbpf_off_cpu.c154 int ncpus = 1, ntasks = 1, ncgrps = 1; in off_cpu_prepare()
171 ncpus = perf_cpu_map__nr(evlist__core(evlist)->user_requested_cpus); in off_cpu_prepare()
172 bpf_map__set_max_entries(skel->maps.cpu_filter, ncpus); in off_cpu_prepare()
242 for (i = 0; i < ncpus; i++) { in off_cpu_prepare()
152 int ncpus = 1, ntasks = 1, ncgrps = 1; off_cpu_prepare() local
H A Dcounts.h37 struct perf_counts *perf_counts__new(int ncpus, int nthreads);
H A Dcputopo.c262 long ncpus; in cpu_topology__new() local
267 ncpus = cpu__max_present_cpu().cpu; in cpu_topology__new()
276 nr = (u32)(ncpus & UINT_MAX); in cpu_topology__new()
/linux/arch/mips/kernel/
H A Dcrash.c59 unsigned int ncpus; in crash_kexec_prepare_cpus() local
64 ncpus = num_online_cpus() - 1;/* Excluding the panic cpu */ in crash_kexec_prepare_cpus()
75 while ((cpumask_weight(&cpus_in_crash) < ncpus) && (--msecs > 0)) { in crash_kexec_prepare_cpus()
/linux/arch/sparc/kernel/
H A Dsetup_32.c378 int i, ncpus, err; in topology_init() local
384 ncpus = 0; in topology_init()
385 while (!cpu_find_by_instance(ncpus, NULL, NULL)) in topology_init()
386 ncpus++; in topology_init()
387 ncpus_probed = ncpus; in topology_init()
H A Dds.c479 static int dr_cpu_size_response(int ncpus) in dr_cpu_size_response() argument
483 (sizeof(struct dr_cpu_resp_entry) * ncpus)); in dr_cpu_size_response()
487 u64 handle, int resp_len, int ncpus, in dr_cpu_init_response() argument
502 tag->num_records = ncpus; in dr_cpu_init_response()
511 BUG_ON(i != ncpus); in dr_cpu_init_response()
514 static void dr_cpu_mark(struct ds_data *resp, int cpu, int ncpus, in dr_cpu_mark() argument
524 for (i = 0; i < ncpus; i++) { in dr_cpu_mark()
537 int resp_len, ncpus, cpu; in dr_cpu_configure() local
540 ncpus = cpumask_weight(mask); in dr_cpu_configure()
541 resp_len = dr_cpu_size_response(ncpus); in dr_cpu_configure()
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H A Dsun4m_smp.c177 register int ncpus = SUN4M_NCPUS; in sun4m_cross_call() local
196 for (i = 0; i < ncpus; i++) { in sun4m_cross_call()
217 } while (++i < ncpus); in sun4m_cross_call()
225 } while (++i < ncpus); in sun4m_cross_call()
/linux/drivers/clk/mvebu/
H A Dclk-cpu.c173 int ncpus = num_possible_cpus(); in of_cpu_clk_setup() local
186 cpuclk = kzalloc_objs(*cpuclk, ncpus); in of_cpu_clk_setup()
190 clks = kzalloc_objs(*clks, ncpus); in of_cpu_clk_setup()
230 while(ncpus--) in of_cpu_clk_setup()
231 kfree(cpuclk[ncpus].clk_name); in of_cpu_clk_setup()
/linux/tools/lib/perf/
H A Devsel.c65 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads) in perf_evsel__alloc_fd() argument
67 evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int)); in perf_evsel__alloc_fd()
72 for (idx = 0; idx < ncpus; idx++) { in perf_evsel__alloc_fd()
85 static int perf_evsel__alloc_mmap(struct perf_evsel *evsel, int ncpus, int nthreads) in perf_evsel__alloc_mmap() argument
87 evsel->mmap = xyarray__new(ncpus, nthreads, sizeof(struct perf_mmap)); in perf_evsel__alloc_mmap()
528 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads) in perf_evsel__alloc_id()
530 if (ncpus == 0 || nthreads == 0) in perf_evsel__alloc_id()
533 evsel->sample_id = xyarray__new(ncpus, nthreads, sizeof(struct perf_sample_id)); in perf_evsel__alloc_id()
537 evsel->id = zalloc(ncpus * nthreads * sizeof(u64)); in perf_evsel__alloc_id()
526 perf_evsel__alloc_id(struct perf_evsel * evsel,int ncpus,int nthreads) perf_evsel__alloc_id() argument
/linux/arch/xtensa/kernel/
H A Dsmp.c91 unsigned int ncpus = get_core_count(); in smp_init_cpus() local
94 pr_info("%s: Core Count = %d\n", __func__, ncpus); in smp_init_cpus()
97 if (ncpus > NR_CPUS) { in smp_init_cpus()
98 ncpus = NR_CPUS; in smp_init_cpus()
99 pr_info("%s: limiting core count by %d\n", __func__, ncpus); in smp_init_cpus()
102 for (i = 0; i < ncpus; ++i) in smp_init_cpus()
/linux/arch/loongarch/kernel/
H A Dmachine_kexec.c185 unsigned int ncpus; in crash_smp_send_stop() local
199 ncpus = num_online_cpus() - 1; in crash_smp_send_stop()
210 while ((cpumask_weight(&cpus_in_crash) < ncpus) && timeout--) { in crash_smp_send_stop()
/linux/tools/testing/selftests/powerpc/
H A Dutils.c419 int ncpus, cpu = -1; in pick_online_cpu() local
423 ncpus = get_nprocs_conf(); in pick_online_cpu()
424 size = CPU_ALLOC_SIZE(ncpus); in pick_online_cpu()
425 mask = CPU_ALLOC(ncpus); in pick_online_cpu()
439 for (cpu = 8; cpu < ncpus; cpu += 8) in pick_online_cpu()
444 for (cpu = ncpus - 1; cpu >= 0; cpu--) in pick_online_cpu()
/linux/tools/lib/perf/include/internal/
H A Devsel.h139 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
145 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
/linux/arch/x86/platform/uv/
H A Duv_time.c52 int ncpus; member
56 } cpu[] __counted_by(ncpus);
158 head->ncpus = uv_blade_nr_possible_cpus(bid); in uv_rtc_allocate_timers()
177 for (c = 0; c < head->ncpus; c++) { in uv_rtc_find_next_timer()
/linux/tools/testing/selftests/powerpc/benchmarks/
H A Dcontext_switch.c108 int pid, ncpus; in start_process_on() local
121 ncpus = get_nprocs(); in start_process_on()
122 size = CPU_ALLOC_SIZE(ncpus); in start_process_on()
123 cpuset = CPU_ALLOC(ncpus); in start_process_on()
/linux/kernel/locking/
H A Dtest-ww_mutex.c375 static int test_cycle(struct ww_class *class, unsigned int ncpus) in test_cycle() argument
380 for (n = 2; n <= ncpus + 1; n++) { in test_cycle()
646 int ncpus = num_online_cpus(); in run_tests() local
667 ret = test_cycle(class, ncpus); in run_tests()
671 ret = stress(class, 16, 2 * ncpus, STRESS_INORDER); in run_tests()
675 ret = stress(class, 16, 2 * ncpus, STRESS_REORDER); in run_tests()
679 ret = stress(class, 2046, hweight32(STRESS_ALL) * ncpus, STRESS_ALL); in run_tests()
/linux/arch/arm64/kernel/
H A Dsmp.c1141 static void ipi_setup_lpi(int ipi, int ncpus) in ipi_setup_lpi() argument
1143 for (int cpu = 0; cpu < ncpus; cpu++) { in ipi_setup_lpi()
1161 void __init set_smp_ipi_range_percpu(int ipi_base, int n, int ncpus) in set_smp_ipi_range_percpu() argument
1168 percpu_ipi_descs = !!ncpus; in set_smp_ipi_range_percpu()
1175 ipi_setup_lpi(i, ncpus); in set_smp_ipi_range_percpu()

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