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80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/* Cgroup utility functions for initctl
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*
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* Copyright (c) 2019-2022 Joachim Wiberg <troglobit@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef FINIT_CGUTIL_H_
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#define FINIT_CGUTIL_H_
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#include <stdint.h>
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#include <stdlib.h>
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struct cg {
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struct cg *cg_next;
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/* stats */
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char *cg_path; /* path in /sys/fs/cgroup */
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uint64_t cg_prev; /* cpuacct.usage */
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uint64_t cg_rss; /* memory.stat */
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uint64_t cg_vmlib; /* memory.stat */
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uint64_t cg_vmsize; /* memory.current */
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float cg_memshare; /* cg_rss / total_ram * 100 */
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float cg_load; /* curr - prev / 10000000.0 */
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/* config */
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struct {
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char min[32];
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char max[32];
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} cg_mem;
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struct {
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char set[16];
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char weight[32];
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char max[32];
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} cg_cpu;
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};
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int cgroup_avail(void);
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char *pid_cmdline (int pid, char *buf, size_t len);
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char *pid_comm (int pid, char *buf, size_t len);
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char *pid_cgroup (int pid, char *buf, size_t len);
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uint64_t cgroup_memory(char *group);
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struct cg *cg_stats(char *path);
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struct cg *cg_conf (char *path);
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int cgroup_tree (char *path, char *pfx, int mode, int pos);
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int show_cgroup (char *arg);
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int show_cgtop (char *arg);
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int show_cgps (char *arg);
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#endif /* FINIT_CGUTIL_H_ */
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/**
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* Local Variables:
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* indent-tabs-mode: t
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* c-file-style: "linux"
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* End:
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*/
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