+++ /dev/null
-/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=4:tabstop=4:
- *
- * Copyright (c) 2004 Cluster File Systems, Inc.
- *
- * This file is part of Lustre, http://www.lustre.org.
- *
- * Lustre is free software; you can redistribute it and/or modify it under
- * the terms of version 2 of the GNU General Public License as published by
- * the Free Software Foundation. Lustre is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details. You should have received a
- * copy of the GNU General Public License along with Lustre; if not, write
- * to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
- * USA.
- */
-
-#define DEBUG_SUBSYSTEM S_LNET
-#define LUSTRE_TRACEFILE_PRIVATE
-
-#include <libcfs/libcfs.h>
-#include <libcfs/kp30.h>
-#include "tracefile.h"
-
-#ifndef get_cpu
-#define get_cpu() smp_processor_id()
-#define put_cpu() do { } while (0)
-#endif
-
-#define TCD_TYPE_MAX 1
-
-event_t tracefile_event;
-
-void tracefile_init_arch()
-{
- int i;
- int j;
- struct trace_cpu_data *tcd;
-
- cfs_init_event(&tracefile_event, TRUE, TRUE);
-
- /* initialize trace_data */
- memset(trace_data, 0, sizeof(trace_data));
- for (i = 0; i < TCD_TYPE_MAX; i++) {
- trace_data[i]=cfs_alloc(sizeof(struct trace_data_union)*NR_CPUS, 0);
- if (trace_data[i] == NULL)
- goto out;
- }
-
- /* arch related info initialized */
- tcd_for_each(tcd, i, j) {
- tcd->tcd_pages_factor = 100; /* Only one type */
- tcd->tcd_cpu = j;
- tcd->tcd_type = i;
- }
-
- memset(trace_console_buffers, 0, sizeof(trace_console_buffers));
-
- for (i = 0; i < NR_CPUS; i++) {
- for (j = 0; j < 1; j++) {
- trace_console_buffers[i][j] =
- cfs_alloc(TRACE_CONSOLE_BUFFER_SIZE,
- CFS_ALLOC_ZERO);
-
- if (trace_console_buffers[i][j] == NULL)
- goto out;
- }
- }
-
- return 0;
-
-out:
- tracefile_fini_arch();
- KsPrint((0, "lnet: No enough memory\n"));
- return -ENOMEM;
-}
-
-void tracefile_fini_arch()
-{
- int i;
- int j;
-
- for (i = 0; i < NR_CPUS; i++) {
- for (j = 0; j < 2; j++) {
- if (trace_console_buffers[i][j] != NULL) {
- cfs_free(trace_console_buffers[i][j]);
- trace_console_buffers[i][j] = NULL;
- }
- }
- }
-
- for (i = 0; trace_data[i] != NULL; i++) {
- cfs_free(trace_data[i]);
- trace_data[i] = NULL;
- }
-}
-
-void tracefile_read_lock()
-{
- cfs_wait_event(&tracefile_event, 0);
-}
-
-void tracefile_read_unlock()
-{
- cfs_wake_event(&tracefile_event);
-}
-
-void tracefile_write_lock()
-{
- cfs_wait_event(&tracefile_event, 0);
-}
-
-void tracefile_write_unlock()
-{
- cfs_wake_event(&tracefile_event);
-}
-
-char *
-trace_get_console_buffer(void)
-{
-#pragma message ("is there possible problem with pre-emption ?")
- int cpu = (int) KeGetCurrentProcessorNumber();
- return trace_console_buffers[cpu][0];
-}
-
-void
-trace_put_console_buffer(char *buffer)
-{
-}
-
-struct trace_cpu_data *
-trace_get_tcd(void)
-{
-#pragma message("todo: return NULL if in interrupt context")
-
- int cpu = (int) KeGetCurrentProcessorNumber();
- return &(*trace_data[0])[cpu].tcd;
-}
-
-void
-trace_put_tcd (struct trace_cpu_data *tcd, unsigned long flags)
-{
-}
-
-int
-trace_lock_tcd(struct trace_cpu_data *tcd)
-{
- __LASSERT(tcd->tcd_type < TCD_TYPE_MAX);
- return 1;
-}
-
-void
-trace_unlock_tcd(struct trace_cpu_data *tcd)
-{
- __LASSERT(tcd->tcd_type < TCD_TYPE_MAX);
-}
-
-void
-set_ptldebug_header(struct ptldebug_header *header, int subsys, int mask,
- const int line, unsigned long stack)
-{
- struct timeval tv;
-
- do_gettimeofday(&tv);
-
- header->ph_subsys = subsys;
- header->ph_mask = mask;
- header->ph_cpu_id = smp_processor_id();
- header->ph_sec = (__u32)tv.tv_sec;
- header->ph_usec = tv.tv_usec;
- header->ph_stack = stack;
- header->ph_pid = current->pid;
- header->ph_line_num = line;
- header->ph_extern_pid = 0;
- return;
-}
-
-void print_to_console(struct ptldebug_header *hdr, int mask, const char *buf,
- int len, const char *file, const char *fn)
-{
- char *prefix = NULL, *ptype = NULL;
-
- if ((mask & D_EMERG) != 0) {
- prefix = "LustreError";
- ptype = KERN_EMERG;
- } else if ((mask & D_ERROR) != 0) {
- prefix = "LustreError";
- ptype = KERN_ERR;
- } else if ((mask & D_WARNING) != 0) {
- prefix = "Lustre";
- ptype = KERN_WARNING;
- } else if ((mask & libcfs_printk) != 0 || (mask & D_CONSOLE)) {
- prefix = "Lustre";
- ptype = KERN_INFO;
- }
-
- if ((mask & D_CONSOLE) != 0) {
- printk("%s%s: %s", ptype, prefix, buf);
- } else {
- printk("%s%s: %d:%d:(%s:%d:%s()) %s", ptype, prefix, hdr->ph_pid,
- hdr->ph_extern_pid, file, hdr->ph_line_num, fn, buf);
- }
- return;
-}
-
-int tcd_owns_tage(struct trace_cpu_data *tcd, struct trace_page *tage)
-{
- return 1;
-}
-
-int trace_max_debug_mb(void)
-{
- int total_mb = (num_physpages >> (20 - CFS_PAGE_SHIFT));
-
- return MAX(512, (total_mb * 80)/100);
-}
-
-void
-trace_call_on_all_cpus(void (*fn)(void *arg), void *arg)
-{
-#error "tbd"
-}
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff