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/linux/tools/testing/selftests/net/forwarding/
H A Dtsn_lib.sh2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright 2021-2022 NXP
5 tc_testing_scripts_dir=$(dirname $0)/../../tc-testing/scripts
15 # https://github.com/vladimiroltean/tsn-scripts
16 # WARNING: isochron versions pre-1.0 are unstable,
28 local uds_address=$1
29 local extra_args=""
31 if ! [ -z "${uds_address}" ]; then
32 extra_args="${extra_args} -z ${uds_address}"
37 chrt -f 10 phc2sys -m \
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/linux/tools/perf/tests/shell/
H A Ddaemon.sh3 # SPDX-License-Identifier: GPL-2.0
7 local line=$1
8 local name=$2
9 local base=$3
10 local output=$4
11 local lock=$5
12 local up=$6
14 local line_name
16 local line_base
18 local line_output
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/linux/tools/testing/selftests/bpf/progs/
H A Dtask_kfunc_success.c1 // SPDX-License-Identifier: GPL-2.0
13 int err, pid; variable
24 /* The two-param bpf_task_acquire doesn't exist */
36 return pid == cur_pid; in is_test_kfunc_task()
54 asm volatile ("goto -1"); /* for (;;); */ in test_acquire_release()
147 struct __tasks_kfunc_map_value *v, *local; in BPF_PROG() local
166 kptr = bpf_kptr_xchg(&v->task, NULL); in BPF_PROG()
172 local = bpf_obj_new(typeof(*local)); in BPF_PROG()
173 if (!local) { in BPF_PROG()
179 kptr = bpf_kptr_xchg(&local->task, kptr); in BPF_PROG()
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H A Dlocal_storage.c1 // SPDX-License-Identifier: GPL-2.0
17 int inode_storage_result = -1;
18 int sk_storage_result = -1;
19 int task_storage_result = -1;
64 __u32 pid = bpf_get_current_pid_tgid() >> 32; in BPF_PROG() local
70 if (pid != monitored_pid) in BPF_PROG()
77 task_storage_result = -1; in BPF_PROG()
84 is_self_unlink = storage->exec_inode == victim->d_inode; in BPF_PROG()
88 if (!storage || storage->value) in BPF_PROG()
98 local_storage = task->bpf_storage; in BPF_PROG()
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H A Dbpf_loop.c1 // SPDX-License-Identifier: GPL-2.0
23 u32 stop_index = -1;
25 int pid; variable
42 ctx->output += index; in callback()
70 if (bpf_get_current_pid_tgid() >> 32 != pid) in test_prog()
86 if (bpf_get_current_pid_tgid() >> 32 != pid) in prog_null_ctx()
99 if (bpf_get_current_pid_tgid() >> 32 != pid) in prog_invalid_flags()
112 if (bpf_get_current_pid_tgid() >> 32 != pid) in prog_nested_calls()
136 * non-constant callback is a corner case for bpf_loop inline logic
141 if (bpf_get_current_pid_tgid() >> 32 != pid) in prog_non_constant_callback()
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/linux/tools/testing/selftests/net/
H A Dgre_gso.sh2 # SPDX-License-Identifier: GPL-2.0
8 # all tests in this script. Can be overridden with -t option
15 PID=
19 local rc=$1
20 local expected=$2
21 local msg="$3"
23 if [ ${rc} -eq ${expected} ]; then
24 printf " TEST: %-60s [ OK ]\n" "${msg}"
29 printf " TEST: %-60s [FAIL]\n" "${msg}"
48 set -e
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H A Dlib.sh2 # SPDX-License-Identifier: GPL-2.0
4 net_dir=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")")
28 # Per-test return value. Clear at the beginning of each test.
36 local a=$1; shift
37 local b=$1; shift
38 local -A weights
39 local weigh
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/linux/kernel/cgroup/
H A Dpids.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * in place, PIDs are a fundamental resource. As such, PID exhaustion must be
18 * violate a cgroup policy through fork(). fork() will return -EAGAIN if forking
22 * for all new cgroups (N.B. that PID limits are hierarchical, so the most
53 * Use 64-bit types so that we can safely represent "max" as
60 /* Handles for pids.events[.local] */
75 return css_pids(pids->css.parent); in parent_pids()
85 return ERR_PTR(-ENOMEM); in pids_css_alloc()
87 atomic64_set(&pids->limit, PIDS_MAX); in pids_css_alloc()
88 return &pids->css; in pids_css_alloc()
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/linux/tools/testing/selftests/breakpoints/
H A Dbreakpoint_test.c1 // SPDX-License-Identifier: GPL-2.0-only
54 int local, int global, int set) in toggle_breakpoint() argument
94 if (local) { in toggle_breakpoint()
112 exit(-1); in toggle_breakpoint()
205 int len, local, global, i; in trigger_tests() local
219 for (local = 0; local < 2; local++) { in trigger_tests()
221 if (!local && !global) in trigger_tests()
233 for (local = 0; local < 2; local++) { in trigger_tests()
235 if (!local && !global) in trigger_tests()
244 for (local = 0; local < 2; local++) { in trigger_tests()
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/linux/drivers/infiniband/core/
H A Diwpm_msg.c15 * - Redistributions of source code must retain the above
19 * - Redistributions in binary form must reproduce the above
42 * iwpm_valid_pid - Check if the userspace iwarp port mapper pid is valid
44 * Returns true if the pid is greater than zero, otherwise returns false
52 * iwpm_register_pid - Send a netlink query to userspace
53 * to get the iwarp port mapper pid
70 int ret = -EINVAL; in iwpm_register_pid()
80 nlh->nlmsg_seq = iwpm_get_nlmsg_seq(); in iwpm_register_pid()
81 nlmsg_request = iwpm_get_nlmsg_request(nlh->nlmsg_seq, nl_client, GFP_KERNEL); in iwpm_register_pid()
88 /* fill in the pid request message */ in iwpm_register_pid()
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/linux/arch/alpha/kernel/
H A Dsys_marvel.c1 // SPDX-License-Identifier: GPL-2.0
43 unsigned int pid; in io7_device_interrupt() local
52 * -----+-----+--------+--- in io7_device_interrupt()
57 * 0x0800 - 0x0ff0 - 0x0800 + (LSI id << 4) in io7_device_interrupt()
58 * 0x1000 - 0x2ff0 - 0x1000 + (MSI_DAT<8:0> << 4) in io7_device_interrupt()
60 pid = vector >> 16; in io7_device_interrupt()
61 irq = ((vector & 0xffff) - 0x800) >> 4; in io7_device_interrupt()
65 irq |= pid << MARVEL_IRQ_VEC_PE_SHIFT; /* merge the pid */ in io7_device_interrupt()
74 unsigned int pid; in io7_get_irq_ctl() local
77 pid = irq >> MARVEL_IRQ_VEC_PE_SHIFT; in io7_get_irq_ctl()
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/linux/arch/powerpc/kvm/
H A De500.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
36 * (guestAS,guestTID,guestPR) --> ID of physical cpu
49 * ID --> address of vcpu_id_table item.
58 /* This variable keeps last used shadow ID on local core.
73 int ret = -1; in local_sid_setup_one()
78 entry->val = sid; in local_sid_setup_one()
79 entry->pentry = this_cpu_ptr(&pcpu_sids.entry[sid]); in local_sid_setup_one()
84 * If sid == NUM_TIDS, we've run out of sids. We return -1, and in local_sid_setup_one()
106 if (entry && entry->val != 0 && in local_sid_lookup()
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/linux/tools/testing/selftests/nci/
H A Dnci_dev.c1 // SPDX-License-Identifier: GPL-2.0-only
22 #define GENLMSG_PAYLOAD(glh) (NLMSG_PAYLOAD(glh, 0) - GENL_HDRLEN)
24 #define NLA_PAYLOAD(len) ((len) - NLA_HDRLEN)
93 struct sockaddr_nl local; in create_nl_socket() local
97 return -1; in create_nl_socket()
99 memset(&local, 0, sizeof(local)); in create_nl_socket()
160 send_get_nfc_family(int sd,__u32 pid) send_get_nfc_family() argument
176 get_family_id(int sd,__u32 pid,__u32 * event_group) get_family_id() argument
251 get_nci_devid(int sd,__u16 fid,__u32 pid,int dev_id,struct msgtemplate * msg) get_nci_devid() argument
304 __u32 pid; FIXTURE() local
581 start_polling(int dev_idx,int proto,int virtual_fd,int sd,int fid,int pid) start_polling() argument
605 stop_polling(int dev_idx,int virtual_fd,int sd,int fid,int pid) stop_polling() argument
638 get_taginfo(int dev_idx,int sd,int fid,int pid) get_taginfo() argument
719 connect_tag(int dev_idx,int virtual_fd,int sd,int fid,int pid) connect_tag() argument
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/linux/drivers/hid/bpf/progs/
H A DREADME1 # HID-BPF programs
9 They should be loaded in the kernel by `udev-hid-bpf`:
11 https://gitlab.freedesktop.org/libevdev/udev-hid-bpf
17 Once a .bpf.c file is accepted here, it is duplicated in `udev-hid-bpf`
20 land in distributions when they update `udev-hid-bpf`
30 Just run `sudo udev-hid-bpf install ./my-awesome-fix.bpf.o`
34 - copy the `.bpf.o` you want in `/etc/udev-hid-bpf/`
35 - create a new udev rule to automatically load it
37 The following should do the trick (assuming udev-hid-bpf is available in
41 $> cp xppen-ArtistPro16Gen2.bpf.o /etc/udev-hid-bpf/
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/linux/drivers/soc/qcom/
H A Dsmp2p.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
26 * of a single 32-bit value between two processors. Each value has a single
27 * writer (the local side) and a single reader (the remote side). Values are
28 * uniquely identified in the system by the directed edge (local processor ID
32 * item is writable by the local processor and readable by the remote
33 * processor. By using two separate SMEM items that are single-reader and
34 * single-writer, SMP2P does not require any remote locking mechanisms.
52 * struct smp2p_smem_item - in memory communication structure
54 * @version: version - must be 1
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/linux/tools/testing/selftests/bpf/benchs/
H A Dbench_local_storage_rcu_tasks_trace.c1 // SPDX-License-Identifier: GPL-2.0
28 { "kthread_pid", ARG_KTHREAD_PID, "PID", 0,
29 "Pid of rcu_tasks_trace kthread for ticks tracking"},
72 fprintf(stderr, "benchmark doesn't support multi-producer!\n"); in validate()
94 return -1; in kthread_pid_ticks()
157 printf("Spun up %u procs (our pid %d)\n", args.nr_procs, runner_pid); in local_storage_tasks_trace_setup()
169 if (!bpf_program__attach(ctx.skel->progs.get_local)) { in local_storage_tasks_trace_setup()
174 if (!bpf_program__attach(ctx.skel->progs.pregp_step)) { in local_storage_tasks_trace_setup()
179 if (!bpf_program__attach(ctx.skel->progs.postgp)) { in local_storage_tasks_trace_setup()
193 res->gp_ct = atomic_swap(&ctx.skel->bss->gp_hits, 0); in measure()
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/linux/arch/powerpc/include/asm/
H A Dvas.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright 2016-17 IBM Corp.
11 #include <uapi/asm/vas-api.h>
15 * (Local FIFO Size Register) of the VAS workbook.
46 #define MASK_LSH(m) (__builtin_ffsl(m) - 1)
51 * Co-processor Engine type.
65 * to pid and mm until windows are closed.
66 * Stores pid, mm, and tgid for each window.
69 struct pid *pid; /* PID of owner */ member
70 struct pid *tgid; /* Thread group ID of owner */
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/linux/arch/powerpc/mm/book3s64/
H A Dradix_tlb.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2015-2016, Aneesh Kumar K.V, IBM Corporation.
15 #include <asm/ppc-opcode.h>
29 unsigned int pid, in tlbiel_radix_set_isa300() argument
36 rs = ((unsigned long)pid << PPC_BITLSHIFT(31)); in tlbiel_radix_set_isa300()
95 WARN(1, "%s called on pre-POWER9 CPU\n", __func__); in radix__tlbiel_all()
100 static __always_inline void __tlbiel_pid(unsigned long pid, int set, in __tlbiel_pid() argument
107 rs = ((unsigned long)pid) << PPC_BITLSHIFT(31); in __tlbiel_pid()
116 static __always_inline void __tlbie_pid(unsigned long pid, unsigned long ric) in __tlbie_pid() argument
121 rs = pid << PPC_BITLSHIFT(31); in __tlbie_pid()
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/linux/tools/usb/usbip/doc/
H A Dusbipd.83 usbipd \- USB/IP server daemon
21 \fB\-4\fR, \fB\-\-ipv4\fR
27 \fB\-6\fR, \fB\-\-ipv6\fR
33 \fB\-e\fR, \fB\-\-device\fR
39 \fB\-D\fR, \fB\-\-daemon\fR
45 \fB\-d\fR, \fB\-\-debug\fR
51 \fB\-PFILE\fR, \fB\-\-pid FILE\fR
55 If no FILE specified, use /var/run/usbipd.pid
58 \fB\-tPORT\fR, \fB\-\-tcp\-port PORT\fR
63 \fB\-h\fR, \fB\-\-help\fR
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/linux/tools/perf/Documentation/
H A Dperf-probe.txt1 perf-probe(1)
5 ----
6 perf-probe - Define new dynamic tracepoints
9 --------
11 'perf probe' [options] --add='PROBE' [...]
15 'perf probe' [options] --del='[GROUP:]EVENT' [...]
17 'perf probe' --list[=[GROUP:]EVENT]
19 'perf probe' [options] --line='LINE'
21 'perf probe' [options] --vars='PROBEPOINT'
23 'perf probe' [options] --funcs
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/linux/arch/powerpc/include/asm/nohash/
H A Dtlbflush.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 * - flush_tlb_mm(mm) flushes the specified mm context TLB's
9 * - flush_tlb_page(vma, vmaddr) flushes one page
10 * - local_flush_tlb_mm(mm, full) flushes the specified mm context on
11 * the local processor
12 * - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor
13 * - flush_tlb_range(vma, start, end) flushes a range of pages
14 * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
29 #define MMU_NO_CONTEXT ((unsigned int)-1)
37 unsigned int pid = READ_ONCE(mm->context.id); in local_flush_tlb_mm() local
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/linux/tools/testing/selftests/cgroup/
H A Dwith_stress.sh2 # SPDX-License-Identifier: GPL-2.0
4 # Kselftest framework requirement - SKIP code is 4.
17 local verb=+
20 [ $verb = "+" ] && verb=- || verb=+
28 sysfs=`mount -t cgroup2 | head -1 | awk '{ print $3 }'`
29 if [ ! -d "$sysfs" ]; then
39 if ! echo -$subsys_ctrl >$sysfs/cgroup.subtree_control ; then
45 declare -a stresses
46 declare -a stress_pids
61 echo "Usage $0 [ -s stress ] ... [ -d duration ] [-c controller] cmd args .."
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/linux/samples/damon/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
11 The module receives a pid, monitor access to the virtual address
18 bool "DAMON sample module for access-aware proactive reclamation"
21 This builds DAMON sample module for access-aware proactive
24 The module receives a pid, monitor access to the virtual address
37 which seems as local and remote nodes to all CPUs. For example,
/linux/tools/accounting/
H A Dgetdelays.c1 // SPDX-License-Identifier: GPL-2.0
4 * Utility to get per-pid and per-tgid delay accounting statistics
12 * gcc -I/usr/src/linux/include getdelays.c -o getdelays
38 #define GENLMSG_PAYLOAD(glh) (NLMSG_PAYLOAD(glh, 0) - GENL_HDRLEN)
40 #define NLA_PAYLOAD(len) (len - NLA_HDRLEN)
76 fprintf(stderr, "getdelays [-dilv] [-w logfile] [-r bufsize] " in usage()
77 "[-m cpumask] [-t tgid] [-p pid]\n"); in usage()
78 fprintf(stderr, " -d: print delayacct stats\n"); in usage()
79 fprintf(stderr, " -i: print IO accounting (works only with -p)\n"); in usage()
80 fprintf(stderr, " -l: listen forever\n"); in usage()
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/linux/tools/perf/arch/x86/util/
H A Devent.c1 // SPDX-License-Identifier: GPL-2.0
8 #include "../../../util/synthetic-events.h"
27 union perf_event *event = args->event; in perf_event__synthesize_extra_kmaps_cb()
36 size = sizeof(event->mmap) - sizeof(event->mmap.filename) + in perf_event__synthesize_extra_kmaps_cb()
37 PERF_ALIGN(strlen(kmap->name) + 1, sizeof(u64)) + in perf_event__synthesize_extra_kmaps_cb()
38 args->machine->id_hdr_size; in perf_event__synthesize_extra_kmaps_cb()
42 event->mmap.header.type = PERF_RECORD_MMAP; in perf_event__synthesize_extra_kmaps_cb()
48 if (machine__is_host(args->machine)) in perf_event__synthesize_extra_kmaps_cb()
49 event->header.misc = PERF_RECORD_MISC_KERNEL; in perf_event__synthesize_extra_kmaps_cb()
51 event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL; in perf_event__synthesize_extra_kmaps_cb()
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