/src/systemd/src/basic/cgroup-util.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2 | | #pragma once |
3 | | |
4 | | #include <dirent.h> |
5 | | #include <stdbool.h> |
6 | | #include <stdint.h> |
7 | | #include <stdio.h> |
8 | | #include <sys/statfs.h> |
9 | | #include <sys/types.h> |
10 | | |
11 | | #include "def.h" |
12 | | #include "set.h" |
13 | | |
14 | 3.98k | #define SYSTEMD_CGROUP_CONTROLLER_LEGACY "name=systemd" |
15 | 0 | #define SYSTEMD_CGROUP_CONTROLLER_HYBRID "name=unified" |
16 | 3.98k | #define SYSTEMD_CGROUP_CONTROLLER "_systemd" |
17 | | |
18 | | /* An enum of well known cgroup controllers */ |
19 | | typedef enum CGroupController { |
20 | | /* Original cgroup controllers */ |
21 | | CGROUP_CONTROLLER_CPU, |
22 | | CGROUP_CONTROLLER_CPUACCT, /* v1 only */ |
23 | | CGROUP_CONTROLLER_IO, /* v2 only */ |
24 | | CGROUP_CONTROLLER_BLKIO, /* v1 only */ |
25 | | CGROUP_CONTROLLER_MEMORY, |
26 | | CGROUP_CONTROLLER_DEVICES, /* v1 only */ |
27 | | CGROUP_CONTROLLER_PIDS, |
28 | | |
29 | | /* BPF-based pseudo-controllers, v2 only */ |
30 | | CGROUP_CONTROLLER_BPF_FIREWALL, |
31 | | CGROUP_CONTROLLER_BPF_DEVICES, |
32 | | |
33 | | _CGROUP_CONTROLLER_MAX, |
34 | | _CGROUP_CONTROLLER_INVALID = -1, |
35 | | } CGroupController; |
36 | | |
37 | 709 | #define CGROUP_CONTROLLER_TO_MASK(c) (1U << (c)) |
38 | | |
39 | | /* A bit mask of well known cgroup controllers */ |
40 | | typedef enum CGroupMask { |
41 | | CGROUP_MASK_CPU = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_CPU), |
42 | | CGROUP_MASK_CPUACCT = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_CPUACCT), |
43 | | CGROUP_MASK_IO = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_IO), |
44 | | CGROUP_MASK_BLKIO = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_BLKIO), |
45 | | CGROUP_MASK_MEMORY = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_MEMORY), |
46 | | CGROUP_MASK_DEVICES = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_DEVICES), |
47 | | CGROUP_MASK_PIDS = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_PIDS), |
48 | | CGROUP_MASK_BPF_FIREWALL = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_BPF_FIREWALL), |
49 | | CGROUP_MASK_BPF_DEVICES = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_BPF_DEVICES), |
50 | | |
51 | | /* All real cgroup v1 controllers */ |
52 | | CGROUP_MASK_V1 = CGROUP_MASK_CPU|CGROUP_MASK_CPUACCT|CGROUP_MASK_BLKIO|CGROUP_MASK_MEMORY|CGROUP_MASK_DEVICES|CGROUP_MASK_PIDS, |
53 | | |
54 | | /* All real cgroup v2 controllers */ |
55 | | CGROUP_MASK_V2 = CGROUP_MASK_CPU|CGROUP_MASK_IO|CGROUP_MASK_MEMORY|CGROUP_MASK_PIDS, |
56 | | |
57 | | /* All cgroup v2 BPF pseudo-controllers */ |
58 | | CGROUP_MASK_BPF = CGROUP_MASK_BPF_FIREWALL|CGROUP_MASK_BPF_DEVICES, |
59 | | |
60 | | _CGROUP_MASK_ALL = CGROUP_CONTROLLER_TO_MASK(_CGROUP_CONTROLLER_MAX) - 1 |
61 | | } CGroupMask; |
62 | | |
63 | 9.96k | static inline CGroupMask CGROUP_MASK_EXTEND_JOINED(CGroupMask mask) { |
64 | 9.96k | /* We always mount "cpu" and "cpuacct" in the same hierarchy. Hence, when one bit is set also set the other */ |
65 | 9.96k | |
66 | 9.96k | if (mask & (CGROUP_MASK_CPU|CGROUP_MASK_CPUACCT)) |
67 | 22 | mask |= (CGROUP_MASK_CPU|CGROUP_MASK_CPUACCT); |
68 | 9.96k | |
69 | 9.96k | return mask; |
70 | 9.96k | } Unexecuted instantiation: journald-server.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: journald-context.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: fuzz-unit-file.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: load-fragment-gperf.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: ip-address-access.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: load-fragment.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: manager.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: path.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: service.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: socket.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: timer.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: transaction.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: unit-printf.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: unit.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: automount.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: bpf-firewall.c:CGROUP_MASK_EXTEND_JOINED cgroup.c:CGROUP_MASK_EXTEND_JOINED Line | Count | Source | 63 | 9.96k | static inline CGroupMask CGROUP_MASK_EXTEND_JOINED(CGroupMask mask) { | 64 | 9.96k | /* We always mount "cpu" and "cpuacct" in the same hierarchy. Hence, when one bit is set also set the other */ | 65 | 9.96k | | 66 | 9.96k | if (mask & (CGROUP_MASK_CPU|CGROUP_MASK_CPUACCT)) | 67 | 22 | mask |= (CGROUP_MASK_CPU|CGROUP_MASK_CPUACCT); | 68 | 9.96k | | 69 | 9.96k | return mask; | 70 | 9.96k | } |
Unexecuted instantiation: dbus-automount.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-job.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-manager.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-path.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-scope.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-service.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-socket.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-timer.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-unit.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-util.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: device.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dynamic-user.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: emergency-action.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: execute.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: job.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: load-dropin.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: mount.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: scope.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: slice.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: swap.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: target.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: bpf-devices.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-cgroup.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-device.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-execute.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-kill.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-mount.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-slice.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-swap.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: dbus-target.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: mount-setup.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: fuzz-nspawn-settings.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: nspawn-settings.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: nspawn-gperf.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: nspawn-mount.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: fuzz-nspawn-oci.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: nspawn-oci.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: bus-unit-util.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: bus-util.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: cgroup-show.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: condition.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: cgroup-util.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: limits-util.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: rm-rf.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: bus-creds.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: sd-bus.c:CGROUP_MASK_EXTEND_JOINED Unexecuted instantiation: sd-login.c:CGROUP_MASK_EXTEND_JOINED |
71 | | |
72 | | CGroupMask get_cpu_accounting_mask(void); |
73 | | bool cpu_accounting_is_cheap(void); |
74 | | |
75 | | /* Special values for all weight knobs on unified hierarchy */ |
76 | 199k | #define CGROUP_WEIGHT_INVALID ((uint64_t) -1) |
77 | 1.33k | #define CGROUP_WEIGHT_MIN UINT64_C(1) |
78 | 1.14k | #define CGROUP_WEIGHT_MAX UINT64_C(10000) |
79 | 0 | #define CGROUP_WEIGHT_DEFAULT UINT64_C(100) |
80 | | |
81 | 0 | #define CGROUP_LIMIT_MIN UINT64_C(0) |
82 | 153k | #define CGROUP_LIMIT_MAX ((uint64_t) -1) |
83 | | |
84 | 0 | static inline bool CGROUP_WEIGHT_IS_OK(uint64_t x) { |
85 | 0 | return |
86 | 0 | x == CGROUP_WEIGHT_INVALID || |
87 | 0 | (x >= CGROUP_WEIGHT_MIN && x <= CGROUP_WEIGHT_MAX); |
88 | 0 | } Unexecuted instantiation: journald-server.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: journald-context.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: fuzz-unit-file.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: load-fragment-gperf.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: ip-address-access.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: load-fragment.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: manager.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: path.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: service.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: socket.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: timer.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: transaction.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: unit-printf.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: unit.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: automount.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: bpf-firewall.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: cgroup.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-automount.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-job.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-manager.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-path.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-scope.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-service.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-socket.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-timer.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-unit.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-util.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: device.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dynamic-user.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: emergency-action.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: execute.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: job.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: load-dropin.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: mount.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: scope.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: slice.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: swap.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: target.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: bpf-devices.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-cgroup.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-device.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-execute.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-kill.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-mount.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-slice.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-swap.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: dbus-target.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: mount-setup.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: fuzz-nspawn-settings.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: nspawn-settings.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: nspawn-gperf.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: nspawn-mount.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: fuzz-nspawn-oci.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: nspawn-oci.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: bus-unit-util.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: bus-util.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: cgroup-show.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: condition.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: cgroup-util.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: limits-util.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: rm-rf.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: bus-creds.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: sd-bus.c:CGROUP_WEIGHT_IS_OK Unexecuted instantiation: sd-login.c:CGROUP_WEIGHT_IS_OK |
89 | | |
90 | | /* IO limits on unified hierarchy */ |
91 | | typedef enum CGroupIOLimitType { |
92 | | CGROUP_IO_RBPS_MAX, |
93 | | CGROUP_IO_WBPS_MAX, |
94 | | CGROUP_IO_RIOPS_MAX, |
95 | | CGROUP_IO_WIOPS_MAX, |
96 | | |
97 | | _CGROUP_IO_LIMIT_TYPE_MAX, |
98 | | _CGROUP_IO_LIMIT_TYPE_INVALID = -1 |
99 | | } CGroupIOLimitType; |
100 | | |
101 | | extern const uint64_t cgroup_io_limit_defaults[_CGROUP_IO_LIMIT_TYPE_MAX]; |
102 | | |
103 | | const char* cgroup_io_limit_type_to_string(CGroupIOLimitType t) _const_; |
104 | | CGroupIOLimitType cgroup_io_limit_type_from_string(const char *s) _pure_; |
105 | | |
106 | | /* Special values for the cpu.shares attribute */ |
107 | 105k | #define CGROUP_CPU_SHARES_INVALID ((uint64_t) -1) |
108 | 751 | #define CGROUP_CPU_SHARES_MIN UINT64_C(2) |
109 | 556 | #define CGROUP_CPU_SHARES_MAX UINT64_C(262144) |
110 | 0 | #define CGROUP_CPU_SHARES_DEFAULT UINT64_C(1024) |
111 | | |
112 | 0 | static inline bool CGROUP_CPU_SHARES_IS_OK(uint64_t x) { |
113 | 0 | return |
114 | 0 | x == CGROUP_CPU_SHARES_INVALID || |
115 | 0 | (x >= CGROUP_CPU_SHARES_MIN && x <= CGROUP_CPU_SHARES_MAX); |
116 | 0 | } Unexecuted instantiation: journald-server.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: journald-context.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: fuzz-unit-file.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: load-fragment-gperf.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: ip-address-access.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: load-fragment.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: manager.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: path.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: service.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: socket.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: timer.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: transaction.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: unit-printf.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: unit.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: automount.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: bpf-firewall.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: cgroup.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-automount.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-job.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-manager.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-path.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-scope.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-service.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-socket.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-timer.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-unit.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-util.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: device.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dynamic-user.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: emergency-action.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: execute.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: job.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: load-dropin.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: mount.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: scope.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: slice.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: swap.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: target.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: bpf-devices.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-cgroup.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-device.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-execute.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-kill.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-mount.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-slice.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-swap.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: dbus-target.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: mount-setup.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: fuzz-nspawn-settings.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: nspawn-settings.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: nspawn-gperf.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: nspawn-mount.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: fuzz-nspawn-oci.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: nspawn-oci.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: bus-unit-util.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: bus-util.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: cgroup-show.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: condition.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: cgroup-util.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: limits-util.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: rm-rf.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: bus-creds.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: sd-bus.c:CGROUP_CPU_SHARES_IS_OK Unexecuted instantiation: sd-login.c:CGROUP_CPU_SHARES_IS_OK |
117 | | |
118 | | /* Special values for the blkio.weight attribute */ |
119 | 99.9k | #define CGROUP_BLKIO_WEIGHT_INVALID ((uint64_t) -1) |
120 | 1.27k | #define CGROUP_BLKIO_WEIGHT_MIN UINT64_C(10) |
121 | 1.07k | #define CGROUP_BLKIO_WEIGHT_MAX UINT64_C(1000) |
122 | 0 | #define CGROUP_BLKIO_WEIGHT_DEFAULT UINT64_C(500) |
123 | | |
124 | 0 | static inline bool CGROUP_BLKIO_WEIGHT_IS_OK(uint64_t x) { |
125 | 0 | return |
126 | 0 | x == CGROUP_BLKIO_WEIGHT_INVALID || |
127 | 0 | (x >= CGROUP_BLKIO_WEIGHT_MIN && x <= CGROUP_BLKIO_WEIGHT_MAX); |
128 | 0 | } Unexecuted instantiation: journald-server.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: journald-context.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: fuzz-unit-file.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: load-fragment-gperf.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: ip-address-access.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: load-fragment.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: manager.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: path.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: service.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: socket.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: timer.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: transaction.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: unit-printf.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: unit.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: automount.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: bpf-firewall.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: cgroup.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-automount.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-job.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-manager.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-path.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-scope.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-service.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-socket.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-timer.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-unit.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-util.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: device.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dynamic-user.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: emergency-action.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: execute.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: job.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: load-dropin.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: mount.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: scope.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: slice.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: swap.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: target.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: bpf-devices.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-cgroup.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-device.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-execute.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-kill.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-mount.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-slice.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-swap.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: dbus-target.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: mount-setup.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: fuzz-nspawn-settings.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: nspawn-settings.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: nspawn-gperf.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: nspawn-mount.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: fuzz-nspawn-oci.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: nspawn-oci.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: bus-unit-util.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: bus-util.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: cgroup-show.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: condition.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: cgroup-util.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: limits-util.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: rm-rf.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: bus-creds.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: sd-bus.c:CGROUP_BLKIO_WEIGHT_IS_OK Unexecuted instantiation: sd-login.c:CGROUP_BLKIO_WEIGHT_IS_OK |
129 | | |
130 | | /* Default resource limits */ |
131 | | #define DEFAULT_TASKS_MAX_PERCENTAGE 15U /* 15% of PIDs, 4915 on default settings */ |
132 | | #define DEFAULT_USER_TASKS_MAX_PERCENTAGE 33U /* 33% of PIDs, 10813 on default settings */ |
133 | | |
134 | | typedef enum CGroupUnified { |
135 | | CGROUP_UNIFIED_UNKNOWN = -1, |
136 | | CGROUP_UNIFIED_NONE = 0, /* Both systemd and controllers on legacy */ |
137 | | CGROUP_UNIFIED_SYSTEMD = 1, /* Only systemd on unified */ |
138 | | CGROUP_UNIFIED_ALL = 2, /* Both systemd and controllers on unified */ |
139 | | } CGroupUnified; |
140 | | |
141 | | /* |
142 | | * General rules: |
143 | | * |
144 | | * We accept named hierarchies in the syntax "foo" and "name=foo". |
145 | | * |
146 | | * We expect that named hierarchies do not conflict in name with a |
147 | | * kernel hierarchy, modulo the "name=" prefix. |
148 | | * |
149 | | * We always generate "normalized" controller names, i.e. without the |
150 | | * "name=" prefix. |
151 | | * |
152 | | * We require absolute cgroup paths. When returning, we will always |
153 | | * generate paths with multiple adjacent / removed. |
154 | | */ |
155 | | |
156 | | int cg_enumerate_processes(const char *controller, const char *path, FILE **_f); |
157 | | int cg_read_pid(FILE *f, pid_t *_pid); |
158 | | int cg_read_event(const char *controller, const char *path, const char *event, |
159 | | char **val); |
160 | | |
161 | | int cg_enumerate_subgroups(const char *controller, const char *path, DIR **_d); |
162 | | int cg_read_subgroup(DIR *d, char **fn); |
163 | | |
164 | | typedef enum CGroupFlags { |
165 | | CGROUP_SIGCONT = 1 << 0, |
166 | | CGROUP_IGNORE_SELF = 1 << 1, |
167 | | CGROUP_REMOVE = 1 << 2, |
168 | | } CGroupFlags; |
169 | | |
170 | | typedef int (*cg_kill_log_func_t)(pid_t pid, int sig, void *userdata); |
171 | | |
172 | | int cg_kill(const char *controller, const char *path, int sig, CGroupFlags flags, Set *s, cg_kill_log_func_t kill_log, void *userdata); |
173 | | int cg_kill_recursive(const char *controller, const char *path, int sig, CGroupFlags flags, Set *s, cg_kill_log_func_t kill_log, void *userdata); |
174 | | |
175 | | int cg_migrate(const char *cfrom, const char *pfrom, const char *cto, const char *pto, CGroupFlags flags); |
176 | | int cg_migrate_recursive(const char *cfrom, const char *pfrom, const char *cto, const char *pto, CGroupFlags flags); |
177 | | int cg_migrate_recursive_fallback(const char *cfrom, const char *pfrom, const char *cto, const char *pto, CGroupFlags flags); |
178 | | |
179 | | int cg_split_spec(const char *spec, char **controller, char **path); |
180 | | int cg_mangle_path(const char *path, char **result); |
181 | | |
182 | | int cg_get_path(const char *controller, const char *path, const char *suffix, char **fs); |
183 | | int cg_get_path_and_check(const char *controller, const char *path, const char *suffix, char **fs); |
184 | | |
185 | | int cg_pid_get_path(const char *controller, pid_t pid, char **path); |
186 | | |
187 | | int cg_trim(const char *controller, const char *path, bool delete_root); |
188 | | |
189 | | int cg_rmdir(const char *controller, const char *path); |
190 | | |
191 | | int cg_create(const char *controller, const char *path); |
192 | | int cg_attach(const char *controller, const char *path, pid_t pid); |
193 | | int cg_attach_fallback(const char *controller, const char *path, pid_t pid); |
194 | | int cg_create_and_attach(const char *controller, const char *path, pid_t pid); |
195 | | |
196 | | int cg_set_attribute(const char *controller, const char *path, const char *attribute, const char *value); |
197 | | int cg_get_attribute(const char *controller, const char *path, const char *attribute, char **ret); |
198 | | int cg_get_keyed_attribute(const char *controller, const char *path, const char *attribute, char **keys, char **values); |
199 | | |
200 | | int cg_set_access(const char *controller, const char *path, uid_t uid, gid_t gid); |
201 | | |
202 | | int cg_set_xattr(const char *controller, const char *path, const char *name, const void *value, size_t size, int flags); |
203 | | int cg_get_xattr(const char *controller, const char *path, const char *name, void *value, size_t size); |
204 | | |
205 | | int cg_install_release_agent(const char *controller, const char *agent); |
206 | | int cg_uninstall_release_agent(const char *controller); |
207 | | |
208 | | int cg_is_empty(const char *controller, const char *path); |
209 | | int cg_is_empty_recursive(const char *controller, const char *path); |
210 | | |
211 | | int cg_get_root_path(char **path); |
212 | | |
213 | | int cg_path_get_session(const char *path, char **session); |
214 | | int cg_path_get_owner_uid(const char *path, uid_t *uid); |
215 | | int cg_path_get_unit(const char *path, char **unit); |
216 | | int cg_path_get_user_unit(const char *path, char **unit); |
217 | | int cg_path_get_machine_name(const char *path, char **machine); |
218 | | int cg_path_get_slice(const char *path, char **slice); |
219 | | int cg_path_get_user_slice(const char *path, char **slice); |
220 | | |
221 | | int cg_shift_path(const char *cgroup, const char *cached_root, const char **shifted); |
222 | | int cg_pid_get_path_shifted(pid_t pid, const char *cached_root, char **cgroup); |
223 | | |
224 | | int cg_pid_get_session(pid_t pid, char **session); |
225 | | int cg_pid_get_owner_uid(pid_t pid, uid_t *uid); |
226 | | int cg_pid_get_unit(pid_t pid, char **unit); |
227 | | int cg_pid_get_user_unit(pid_t pid, char **unit); |
228 | | int cg_pid_get_machine_name(pid_t pid, char **machine); |
229 | | int cg_pid_get_slice(pid_t pid, char **slice); |
230 | | int cg_pid_get_user_slice(pid_t pid, char **slice); |
231 | | |
232 | | int cg_path_decode_unit(const char *cgroup, char **unit); |
233 | | |
234 | | char *cg_escape(const char *p); |
235 | | char *cg_unescape(const char *p) _pure_; |
236 | | |
237 | | bool cg_controller_is_valid(const char *p); |
238 | | |
239 | | int cg_slice_to_path(const char *unit, char **ret); |
240 | | |
241 | | typedef const char* (*cg_migrate_callback_t)(CGroupMask mask, void *userdata); |
242 | | |
243 | | int cg_create_everywhere(CGroupMask supported, CGroupMask mask, const char *path); |
244 | | int cg_attach_everywhere(CGroupMask supported, const char *path, pid_t pid, cg_migrate_callback_t callback, void *userdata); |
245 | | int cg_attach_many_everywhere(CGroupMask supported, const char *path, Set* pids, cg_migrate_callback_t callback, void *userdata); |
246 | | int cg_migrate_everywhere(CGroupMask supported, const char *from, const char *to, cg_migrate_callback_t callback, void *userdata); |
247 | | int cg_trim_everywhere(CGroupMask supported, const char *path, bool delete_root); |
248 | | int cg_enable_everywhere(CGroupMask supported, CGroupMask mask, const char *p, CGroupMask *ret_result_mask); |
249 | | |
250 | | int cg_mask_supported(CGroupMask *ret); |
251 | | int cg_mask_from_string(const char *s, CGroupMask *ret); |
252 | | int cg_mask_to_string(CGroupMask mask, char **ret); |
253 | | |
254 | | int cg_kernel_controllers(Set **controllers); |
255 | | |
256 | | bool cg_ns_supported(void); |
257 | | |
258 | | int cg_all_unified(void); |
259 | | int cg_hybrid_unified(void); |
260 | | int cg_unified_controller(const char *controller); |
261 | | int cg_unified_flush(void); |
262 | | |
263 | | bool cg_is_unified_wanted(void); |
264 | | bool cg_is_legacy_wanted(void); |
265 | | bool cg_is_hybrid_wanted(void); |
266 | | |
267 | | const char* cgroup_controller_to_string(CGroupController c) _const_; |
268 | | CGroupController cgroup_controller_from_string(const char *s) _pure_; |
269 | | |
270 | | int cg_weight_parse(const char *s, uint64_t *ret); |
271 | | int cg_cpu_shares_parse(const char *s, uint64_t *ret); |
272 | | int cg_blkio_weight_parse(const char *s, uint64_t *ret); |
273 | | |
274 | | bool is_cgroup_fs(const struct statfs *s); |
275 | | bool fd_is_cgroup_fs(int fd); |