CFS_TCD_TYPE_MAX
};
-/* trace file lock routines */
-
#define TRACEFILE_NAME_SIZE 1024
extern char cfs_tracefile[TRACEFILE_NAME_SIZE];
extern long long cfs_tracefile_size;
extern void libcfs_run_debug_log_upcall(char *file);
-int cfs_tracefile_init_arch(void);
-void cfs_tracefile_fini_arch(void);
-
-void cfs_tracefile_read_lock(void);
-void cfs_tracefile_read_unlock(void);
-void cfs_tracefile_write_lock(void);
-void cfs_tracefile_write_unlock(void);
-
int cfs_tracefile_dump_all_pages(char *filename);
void cfs_trace_debug_print(void);
void cfs_trace_flush_pages(void);
int cfs_trace_get_debug_mb(void);
extern void libcfs_debug_dumplog_internal(void *arg);
-extern void libcfs_register_panic_notifier(void);
-extern void libcfs_unregister_panic_notifier(void);
extern int libcfs_panic_in_progress;
-extern int cfs_trace_max_debug_mb(void);
#define TCD_MAX_PAGES (5 << (20 - PAGE_SHIFT))
#define TCD_STOCK_PAGES (TCD_MAX_PAGES)
* Even though this structure is meant to be per-CPU, locking
* is needed because in some places the data may be accessed
* from other CPUs. This lock is directly used in trace_get_tcd
- * and trace_put_tcd, which are called in libcfs_debug_vmsg2 and
+ * and trace_put_tcd, which are called in libcfs_debug_msg and
* tcd_for_each_type_lock
*/
spinlock_t tcd_lock;
char __pad[L1_CACHE_ALIGN(sizeof(struct cfs_trace_cpu_data))];
};
-#define TCD_MAX_TYPES 8
-extern union cfs_trace_data_union (*cfs_trace_data[TCD_MAX_TYPES])[NR_CPUS];
-
-#define cfs_tcd_for_each(tcd, i, j) \
- for (i = 0; cfs_trace_data[i] != NULL; i++) \
- for (j = 0, ((tcd) = &(*cfs_trace_data[i])[j].tcd); \
- j < num_possible_cpus(); \
- j++, (tcd) = &(*cfs_trace_data[i])[j].tcd)
-
-#define cfs_tcd_for_each_type_lock(tcd, i, cpu) \
- for (i = 0; cfs_trace_data[i] && \
- (tcd = &(*cfs_trace_data[i])[cpu].tcd) && \
- cfs_trace_lock_tcd(tcd, 1); cfs_trace_unlock_tcd(tcd, 1), i++)
-
/* XXX nikita: this declaration is internal to tracefile.c and should probably
* be moved there */
struct page_collection {
unsigned short type;
};
-extern void cfs_set_ptldebug_header(struct ptldebug_header *header,
- struct libcfs_debug_msg_data *m,
- unsigned long stack);
-extern void cfs_print_to_console(struct ptldebug_header *hdr, int mask,
- const char *buf, int len, const char *file,
- const char *fn);
-
-extern int cfs_trace_lock_tcd(struct cfs_trace_cpu_data *tcd, int walking);
-extern void cfs_trace_unlock_tcd(struct cfs_trace_cpu_data *tcd, int walking);
-
extern char *cfs_trace_console_buffers[NR_CPUS][CFS_TCD_TYPE_MAX];
extern enum cfs_trace_buf_type cfs_trace_buf_idx_get(void);
return cfs_trace_console_buffers[i][j];
}
-static inline struct cfs_trace_cpu_data *cfs_trace_get_tcd(void)
-{
- struct cfs_trace_cpu_data *tcd =
- &(*cfs_trace_data[cfs_trace_buf_idx_get()])[get_cpu()].tcd;
-
- cfs_trace_lock_tcd(tcd, 0);
-
- return tcd;
-}
-
-static inline void cfs_trace_put_tcd(struct cfs_trace_cpu_data *tcd)
-{
- cfs_trace_unlock_tcd(tcd, 0);
- put_cpu();
-}
-
-int cfs_trace_refill_stock(struct cfs_trace_cpu_data *tcd, gfp_t gfp,
- struct list_head *stock);
-
-
int cfs_tcd_owns_tage(struct cfs_trace_cpu_data *tcd,
struct cfs_trace_page *tage);