diff options
Diffstat (limited to 'tools/perf/trace/beauty')
| -rw-r--r-- | tools/perf/trace/beauty/clone.c | 46 | ||||
| -rwxr-xr-x | tools/perf/trace/beauty/clone.sh | 17 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/include/uapi/linux/sched.h | 148 |
3 files changed, 170 insertions, 41 deletions
diff --git a/tools/perf/trace/beauty/clone.c b/tools/perf/trace/beauty/clone.c index f4db894e0af6..c9fa8f7e82b9 100644 --- a/tools/perf/trace/beauty/clone.c +++ b/tools/perf/trace/beauty/clone.c @@ -7,52 +7,16 @@ #include "trace/beauty/beauty.h" #include <linux/kernel.h> +#include <linux/log2.h> #include <sys/types.h> -#include <uapi/linux/sched.h> +#include <sched.h> static size_t clone__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix) { - const char *prefix = "CLONE_"; - int printed = 0; +#include "trace/beauty/generated/clone_flags_array.c" + static DEFINE_STRARRAY(clone_flags, "CLONE_"); -#define P_FLAG(n) \ - if (flags & CLONE_##n) { \ - printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \ - flags &= ~CLONE_##n; \ - } - - P_FLAG(VM); - P_FLAG(FS); - P_FLAG(FILES); - P_FLAG(SIGHAND); - P_FLAG(PIDFD); - P_FLAG(PTRACE); - P_FLAG(VFORK); - P_FLAG(PARENT); - P_FLAG(THREAD); - P_FLAG(NEWNS); - P_FLAG(SYSVSEM); - P_FLAG(SETTLS); - P_FLAG(PARENT_SETTID); - P_FLAG(CHILD_CLEARTID); - P_FLAG(DETACHED); - P_FLAG(UNTRACED); - P_FLAG(CHILD_SETTID); - P_FLAG(NEWCGROUP); - P_FLAG(NEWUTS); - P_FLAG(NEWIPC); - P_FLAG(NEWUSER); - P_FLAG(NEWPID); - P_FLAG(NEWNET); - P_FLAG(IO); - P_FLAG(CLEAR_SIGHAND); - P_FLAG(INTO_CGROUP); -#undef P_FLAG - - if (flags) - printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); - - return printed; + return strarray__scnprintf_flags(&strarray__clone_flags, bf, size, show_prefix, flags); } size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg) diff --git a/tools/perf/trace/beauty/clone.sh b/tools/perf/trace/beauty/clone.sh new file mode 100755 index 000000000000..18b6c0d75693 --- /dev/null +++ b/tools/perf/trace/beauty/clone.sh @@ -0,0 +1,17 @@ +#!/bin/sh +# SPDX-License-Identifier: LGPL-2.1 + +if [ $# -ne 1 ] ; then + beauty_uapi_linux_dir=tools/perf/trace/beauty/include/uapi/linux/ +else + beauty_uapi_linux_dir=$1 +fi + +linux_sched=${beauty_uapi_linux_dir}/sched.h + +printf "static const char *clone_flags[] = {\n" +regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+CLONE_([^_]+[[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*' +grep -E $regex ${linux_sched} | \ + sed -r "s/$regex/\2 \1/g" | \ + xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n" +printf "};\n" diff --git a/tools/perf/trace/beauty/include/uapi/linux/sched.h b/tools/perf/trace/beauty/include/uapi/linux/sched.h new file mode 100644 index 000000000000..3bac0a8ceab2 --- /dev/null +++ b/tools/perf/trace/beauty/include/uapi/linux/sched.h @@ -0,0 +1,148 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_LINUX_SCHED_H +#define _UAPI_LINUX_SCHED_H + +#include <linux/types.h> + +/* + * cloning flags: + */ +#define CSIGNAL 0x000000ff /* signal mask to be sent at exit */ +#define CLONE_VM 0x00000100 /* set if VM shared between processes */ +#define CLONE_FS 0x00000200 /* set if fs info shared between processes */ +#define CLONE_FILES 0x00000400 /* set if open files shared between processes */ +#define CLONE_SIGHAND 0x00000800 /* set if signal handlers and blocked signals shared */ +#define CLONE_PIDFD 0x00001000 /* set if a pidfd should be placed in parent */ +#define CLONE_PTRACE 0x00002000 /* set if we want to let tracing continue on the child too */ +#define CLONE_VFORK 0x00004000 /* set if the parent wants the child to wake it up on mm_release */ +#define CLONE_PARENT 0x00008000 /* set if we want to have the same parent as the cloner */ +#define CLONE_THREAD 0x00010000 /* Same thread group? */ +#define CLONE_NEWNS 0x00020000 /* New mount namespace group */ +#define CLONE_SYSVSEM 0x00040000 /* share system V SEM_UNDO semantics */ +#define CLONE_SETTLS 0x00080000 /* create a new TLS for the child */ +#define CLONE_PARENT_SETTID 0x00100000 /* set the TID in the parent */ +#define CLONE_CHILD_CLEARTID 0x00200000 /* clear the TID in the child */ +#define CLONE_DETACHED 0x00400000 /* Unused, ignored */ +#define CLONE_UNTRACED 0x00800000 /* set if the tracing process can't force CLONE_PTRACE on this clone */ +#define CLONE_CHILD_SETTID 0x01000000 /* set the TID in the child */ +#define CLONE_NEWCGROUP 0x02000000 /* New cgroup namespace */ +#define CLONE_NEWUTS 0x04000000 /* New utsname namespace */ +#define CLONE_NEWIPC 0x08000000 /* New ipc namespace */ +#define CLONE_NEWUSER 0x10000000 /* New user namespace */ +#define CLONE_NEWPID 0x20000000 /* New pid namespace */ +#define CLONE_NEWNET 0x40000000 /* New network namespace */ +#define CLONE_IO 0x80000000 /* Clone io context */ + +/* Flags for the clone3() syscall. */ +#define CLONE_CLEAR_SIGHAND 0x100000000ULL /* Clear any signal handler and reset to SIG_DFL. */ +#define CLONE_INTO_CGROUP 0x200000000ULL /* Clone into a specific cgroup given the right permissions. */ + +/* + * cloning flags intersect with CSIGNAL so can be used with unshare and clone3 + * syscalls only: + */ +#define CLONE_NEWTIME 0x00000080 /* New time namespace */ + +#ifndef __ASSEMBLY__ +/** + * struct clone_args - arguments for the clone3 syscall + * @flags: Flags for the new process as listed above. + * All flags are valid except for CSIGNAL and + * CLONE_DETACHED. + * @pidfd: If CLONE_PIDFD is set, a pidfd will be + * returned in this argument. + * @child_tid: If CLONE_CHILD_SETTID is set, the TID of the + * child process will be returned in the child's + * memory. + * @parent_tid: If CLONE_PARENT_SETTID is set, the TID of + * the child process will be returned in the + * parent's memory. + * @exit_signal: The exit_signal the parent process will be + * sent when the child exits. + * @stack: Specify the location of the stack for the + * child process. + * Note, @stack is expected to point to the + * lowest address. The stack direction will be + * determined by the kernel and set up + * appropriately based on @stack_size. + * @stack_size: The size of the stack for the child process. + * @tls: If CLONE_SETTLS is set, the tls descriptor + * is set to tls. + * @set_tid: Pointer to an array of type *pid_t. The size + * of the array is defined using @set_tid_size. + * This array is used to select PIDs/TIDs for + * newly created processes. The first element in + * this defines the PID in the most nested PID + * namespace. Each additional element in the array + * defines the PID in the parent PID namespace of + * the original PID namespace. If the array has + * less entries than the number of currently + * nested PID namespaces only the PIDs in the + * corresponding namespaces are set. + * @set_tid_size: This defines the size of the array referenced + * in @set_tid. This cannot be larger than the + * kernel's limit of nested PID namespaces. + * @cgroup: If CLONE_INTO_CGROUP is specified set this to + * a file descriptor for the cgroup. + * + * The structure is versioned by size and thus extensible. + * New struct members must go at the end of the struct and + * must be properly 64bit aligned. + */ +struct clone_args { + __aligned_u64 flags; + __aligned_u64 pidfd; + __aligned_u64 child_tid; + __aligned_u64 parent_tid; + __aligned_u64 exit_signal; + __aligned_u64 stack; + __aligned_u64 stack_size; + __aligned_u64 tls; + __aligned_u64 set_tid; + __aligned_u64 set_tid_size; + __aligned_u64 cgroup; +}; +#endif + +#define CLONE_ARGS_SIZE_VER0 64 /* sizeof first published struct */ +#define CLONE_ARGS_SIZE_VER1 80 /* sizeof second published struct */ +#define CLONE_ARGS_SIZE_VER2 88 /* sizeof third published struct */ + +/* + * Scheduling policies + */ +#define SCHED_NORMAL 0 +#define SCHED_FIFO 1 +#define SCHED_RR 2 +#define SCHED_BATCH 3 +/* SCHED_ISO: reserved but not implemented yet */ +#define SCHED_IDLE 5 +#define SCHED_DEADLINE 6 + +/* Can be ORed in to make sure the process is reverted back to SCHED_NORMAL on fork */ +#define SCHED_RESET_ON_FORK 0x40000000 + +/* + * For the sched_{set,get}attr() calls + */ +#define SCHED_FLAG_RESET_ON_FORK 0x01 +#define SCHED_FLAG_RECLAIM 0x02 +#define SCHED_FLAG_DL_OVERRUN 0x04 +#define SCHED_FLAG_KEEP_POLICY 0x08 +#define SCHED_FLAG_KEEP_PARAMS 0x10 +#define SCHED_FLAG_UTIL_CLAMP_MIN 0x20 +#define SCHED_FLAG_UTIL_CLAMP_MAX 0x40 + +#define SCHED_FLAG_KEEP_ALL (SCHED_FLAG_KEEP_POLICY | \ + SCHED_FLAG_KEEP_PARAMS) + +#define SCHED_FLAG_UTIL_CLAMP (SCHED_FLAG_UTIL_CLAMP_MIN | \ + SCHED_FLAG_UTIL_CLAMP_MAX) + +#define SCHED_FLAG_ALL (SCHED_FLAG_RESET_ON_FORK | \ + SCHED_FLAG_RECLAIM | \ + SCHED_FLAG_DL_OVERRUN | \ + SCHED_FLAG_KEEP_ALL | \ + SCHED_FLAG_UTIL_CLAMP) + +#endif /* _UAPI_LINUX_SCHED_H */ |