litmus-rt.git - The LITMUS^RT kernel.

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author	Linus Torvalds <torvalds@woody.linux-foundation.org>	2007-08-13 00:25:24 -0400
committer	Linus Torvalds <torvalds@woody.linux-foundation.org>	2007-08-13 00:25:24 -0400
commit	39d3520c92cf7a28c07229ca00cc35a1e8026c77 (patch)
tree	e6b7c88faa3aa88fc01ffcd07b2eab62e2b4a0f6 /arch/sparc/boot/Makefile
parent	738ddd30397c25adfa9729257623ada96ef8ce96 (diff)

Linux 2.6.23-rc3v2.6.23-rc3

Diffstat (limited to 'arch/sparc/boot/Makefile')

0 files changed, 0 insertions, 0 deletions

/** * @file oprofile_stats.c * * @remark Copyright 2002 OProfile authors * @remark Read the file COPYING * * @author John Levon */ #include <linux/oprofile.h> #include <linux/smp.h> #include <linux/cpumask.h> #include <linux/threads.h> #include "oprofile_stats.h" #include "cpu_buffer.h" struct oprofile_stat_struct oprofile_stats; void oprofile_reset_stats(void) { struct oprofile_cpu_buffer *cpu_buf; int i; for_each_possible_cpu(i) { cpu_buf = &per_cpu(op_cpu_buffer, i); cpu_buf->sample_received = 0; cpu_buf->sample_lost_overflow = 0; cpu_buf->backtrace_aborted = 0; cpu_buf->sample_invalid_eip = 0; } atomic_set(&oprofile_stats.sample_lost_no_mm, 0); atomic_set(&oprofile_stats.sample_lost_no_mapping, 0); atomic_set(&oprofile_stats.event_lost_overflow, 0); atomic_set(&oprofile_stats.bt_lost_no_mapping, 0); atomic_set(&oprofile_stats.multiplex_counter, 0); } void oprofile_create_stats_files(struct super_block *sb, struct dentry *root) { struct oprofile_cpu_buffer *cpu_buf; struct dentry *cpudir; struct dentry *dir; char buf[10]; int i; dir = oprofilefs_mkdir(sb, root, "stats"); if (!dir) return; for_each_possible_cpu(i) { cpu_buf = &per_cpu(op_cpu_buffer, i); snprintf(buf, 10, "cpu%d", i); cpudir = oprofilefs_mkdir(sb, dir, buf); /* Strictly speaking access to these ulongs is racy, * but we can't simply lock them, and they are * informational only. */ oprofilefs_create_ro_ulong(sb, cpudir, "sample_received", &cpu_buf->sample_received); oprofilefs_create_ro_ulong(sb, cpudir, "sample_lost_overflow", &cpu_buf->sample_lost_overflow); oprofilefs_create_ro_ulong(sb, cpudir, "backtrace_aborted", &cpu_buf->backtrace_aborted); oprofilefs_create_ro_ulong(sb, cpudir, "sample_invalid_eip", &cpu_buf->sample_invalid_eip); } oprofilefs_create_ro_atomic(sb, dir, "sample_lost_no_mm", &oprofile_stats.sample_lost_no_mm); oprofilefs_create_ro_atomic(sb, dir, "sample_lost_no_mapping", &oprofile_stats.sample_lost_no_mapping); oprofilefs_create_ro_atomic(sb, dir, "event_lost_overflow", &oprofile_stats.event_lost_overflow); oprofilefs_create_ro_atomic(sb, dir, "bt_lost_no_mapping", &oprofile_stats.bt_lost_no_mapping); #ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX oprofilefs_create_ro_atomic(sb, dir, "multiplex_counter", &oprofile_stats.multiplex_counter); #endif }


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