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74 lines
1.6 KiB
74 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* |
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* Copyright (C) 2017 Hari Bathini, IBM Corporation |
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*/ |
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#ifndef __PERF_NAMESPACES_H |
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#define __PERF_NAMESPACES_H |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <linux/stddef.h> |
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#include <linux/perf_event.h> |
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#include <linux/refcount.h> |
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#include <linux/types.h> |
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#ifndef HAVE_SETNS_SUPPORT |
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int setns(int fd, int nstype); |
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#endif |
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struct perf_record_namespaces; |
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struct namespaces { |
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struct list_head list; |
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u64 end_time; |
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struct perf_ns_link_info link_info[]; |
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}; |
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struct namespaces *namespaces__new(struct perf_record_namespaces *event); |
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void namespaces__free(struct namespaces *namespaces); |
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struct nsinfo { |
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pid_t pid; |
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pid_t tgid; |
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pid_t nstgid; |
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bool need_setns; |
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bool in_pidns; |
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char *mntns_path; |
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refcount_t refcnt; |
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}; |
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struct nscookie { |
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int oldns; |
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int newns; |
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char *oldcwd; |
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}; |
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int nsinfo__init(struct nsinfo *nsi); |
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struct nsinfo *nsinfo__new(pid_t pid); |
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struct nsinfo *nsinfo__copy(struct nsinfo *nsi); |
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void nsinfo__delete(struct nsinfo *nsi); |
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struct nsinfo *nsinfo__get(struct nsinfo *nsi); |
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void nsinfo__put(struct nsinfo *nsi); |
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void nsinfo__mountns_enter(struct nsinfo *nsi, struct nscookie *nc); |
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void nsinfo__mountns_exit(struct nscookie *nc); |
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char *nsinfo__realpath(const char *path, struct nsinfo *nsi); |
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int nsinfo__stat(const char *filename, struct stat *st, struct nsinfo *nsi); |
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static inline void __nsinfo__zput(struct nsinfo **nsip) |
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{ |
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if (nsip) { |
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nsinfo__put(*nsip); |
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*nsip = NULL; |
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} |
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} |
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#define nsinfo__zput(nsi) __nsinfo__zput(&nsi) |
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const char *perf_ns__name(unsigned int id); |
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#endif /* __PERF_NAMESPACES_H */
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