checkm := gp.m

	// Save current syscall parameters, so m.winsyscall can be
	// used again if callback decide to make syscall.
	winsyscall := gp.m.winsyscall

	// entersyscall saves the caller's SP to allow the GC to trace the Go
	// stack. However, since we're returning to an earlier stack frame and
	// need to pair with the entersyscall() call made by cgocall, we must
	// save syscall* and let reentersyscall restore them.

| `minio_node_scanner_versions_scanned`      | Total number of object versions scanned since server start. |
| `minio_node_syscall_read_total`            | Total read SysCalls to the kernel. /proc/[pid]/io syscr.    |
| `minio_node_syscall_write_total`           | Total write SysCalls to the kernel. /proc/[pid]/io syscw.   |
| `minio_usage_last_activity_nano_seconds`   | Time elapsed (in nano seconds) since last scan activity.    |

# Bucket Metrics

	SYSCALL
	BEQ	R7, 3(PC)
	MOVV	$3, R2			// crash on syscall failure
	MOVV	R2, (R2)
	RET

TEXT runtime·obsdsigprocmask(SB),NOSPLIT,$0
	MOVW	how+0(FP), R4		// arg 1 - mode
	MOVW	new+4(FP), R5		// arg 2 - new
	MOVV	$48, R2			// sys_sigprocmask
	SYSCALL
	BEQ	R7, 3(PC)
	MOVV	$3, R2			// crash on syscall failure
	MOVV	R2, (R2)
	MOVW	R2, ret+8(FP)
	RET

TEXT runtime·sigfwd(SB),NOSPLIT,$0-32
	MOVW	sig+8(FP), R4

		return strings.Contains(reason, "chan") || strings.Contains(reason, "sync") || strings.Contains(reason, "select")
	})
}

// computePprofSyscall returns a computePprofFunc that generates a syscall pprof-like
// profile (time spent in syscalls).
func computePprofSyscall() computePprofFunc {
	return makeComputePprofFunc(trace.GoSyscall, func(_ string) bool {
		return true
	})
}

| `minio_system_process_syscall_read_total`          | `counter` | Total read SysCalls to the kernel. /proc/[pid]/io syscr                                                        | `server` |
| `minio_system_process_syscall_write_total`         | `counter` | Total write SysCalls to the kernel. /proc/[pid]/io syscw                                                       | `server` |

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// System calls and other sys.stuff for ARM, FreeBSD
// /usr/src/sys/kern/syscalls.master for syscall numbers.
//

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

// for EABI, as we don't support OABI
#define SYS_BASE 0x0

#define SYS_exit (SYS_BASE + 1)

	// The "header" here is the ID of the M that was running the profiled code,
	// followed by the IDs of the P and goroutine. (For normal CPU profiling, it's
	// usually the number of samples with the given stack.) Near syscalls, pp
	// may be nil. Reporting goid of 0 is fine for either g0 or a nil gp.
	var hdr [3]uint64
	if pp != nil {
		// Overflow records in profBuf have all header values set to zero. Make

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// System calls and other sys.stuff for 386, NetBSD
// /usr/src/sys/kern/syscalls.master for syscall numbers.
//

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

#define CLOCK_REALTIME		0
#define CLOCK_MONOTONIC		3

#define SYS_exit			1
#define SYS_read			3

	// nanosleep(&ts, 0)
	ADDU	$24, R29, R4
	MOVW	$0, R5
	MOVW	$SYS_nanosleep, R2
	SYSCALL
	RET

TEXT runtime·gettid(SB),NOSPLIT,$0-4
	MOVW	$SYS_gettid, R2
	SYSCALL
	MOVW	R2, ret+0(FP)
	RET

TEXT runtime·raise(SB),NOSPLIT,$0-4
	MOVW	$SYS_getpid, R2
	SYSCALL
	MOVW	R2, R16
	MOVW	$SYS_gettid, R2
	SYSCALL
	MOVW	R2, R5	// arg 2 tid
	MOVW	R16, R4	// arg 1 pid
	MOVW	sig+0(FP), R6	// arg 3

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//
// System calls and other sys.stuff for riscv64, FreeBSD
// /usr/src/sys/kern/syscalls.master for syscall numbers.
//

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

#define CLOCK_REALTIME		0
#define CLOCK_MONOTONIC		4

#define SYS_exit		1
#define SYS_read		3