[blktrace.git] / btt / globals.h

/*
 * blktrace output analysis: generate a timeline & gather statistics
 *
 * Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include <stdio.h>
#include <string.h>
#include <time.h>

#include "blktrace.h"
#include "rbtree.h"
#include "list.h"

/*
 * 0 == 1 blk
 * 1 == 2 blks
 * ...
 * 1022 == 1023 blks
 * 1023 == 1024 blks
 * 1024 == > 1024 blks
 */
#define N_HIST_BKTS	1025

#define BIT_TIME(t)	((double)SECONDS(t) + ((double)NANO_SECONDS(t) / 1.0e9))

#define BIT_START(iop)	((iop)->t.sector)
#define BIT_END(iop)	((iop)->t.sector + ((iop)->t.bytes >> 9))
#define IOP_READ(iop)	((iop)->t.action & BLK_TC_ACT(BLK_TC_READ))
#define IOP_RW(iop)	(IOP_READ(iop) ? 1 : 0)

#define TO_SEC(nanosec)	((double)(nanosec) / 1.0e9)
#define TO_MSEC(nanosec) (1000.0 * TO_SEC(nanosec))

enum iop_type {
	IOP_Q = 0,
	IOP_X = 1,
	IOP_A = 2,
	IOP_G = 3,
	IOP_M = 4,
	IOP_D = 5,
	IOP_C = 6,
	IOP_R = 7,
	IOP_I = 8,
	IOP_S = 9
};
#define N_IOP_TYPES	(IOP_S + 1)

struct mode {
	int most_seeks, nmds;
	long long *modes;
};

struct io;
struct io_list {
	struct list_head head;
	struct io *iop;
	int cy_users;
};

struct avg_info {
	__u64 min, max, total;
	double avg;
	int n;
};

struct avgs_info {
        struct avg_info q2q_dm;
        struct avg_info q2a_dm;
        struct avg_info q2c_dm;

        struct avg_info q2q;
	struct avg_info q2a;
	struct avg_info q2g;
	struct avg_info s2g;
	struct avg_info g2i;
	struct avg_info q2m;
	struct avg_info i2d;
	struct avg_info m2d;
	struct avg_info d2c;
	struct avg_info q2c;

	struct avg_info blks;		/* Blocks transferred */
};

struct range_info {
	struct list_head head;		/* on: qranges OR cranges */
	__u64 start, end;
};

struct region_info {
	struct list_head qranges;
	struct list_head cranges;
};

struct p_info {
	struct region_info regions;
	struct avgs_info avgs;
	__u64 last_q;
	__u32 pid;
	char *name;
};

struct stats {
	__u64 rqm[2], ios[2], sec[2], wait, svctm;
	double last_qu_change, last_dev_change, tot_qusz, idle_time;
	int cur_qusz, cur_dev;
};

struct stats_t {
	double n;
	double rqm_s[2], ios_s[2], sec_s[2];
	double avgrq_sz, avgqu_sz, await, svctm, p_util;
};

struct d_info {
	struct list_head all_head, hash_head;
	void *heads;
	struct region_info regions;
	char *devmap;
	void *q2q_handle, *seek_handle, *bno_dump_handle, *up_hist_handle;
	void *q2d_priv, *aqd_handle, *rstat_handle;
	void *q2d_plat_handle, *q2c_plat_handle, *d2c_plat_handle;
	FILE *q2d_ofp, *d2c_ofp, *q2c_ofp, *pit_fp;
	struct avgs_info avgs;
	struct stats stats, all_stats;
	__u64 last_q, n_qs, n_ds;
	__u64 n_act_q, t_act_q;	/* # currently active when Q comes in */
	__u32 device;

	int pre_culling;
	int is_plugged, nplugs, nplugs_t;
	__u64 nios_up, nios_upt;
	double start_time, last_plug, plugged_time, end_time;
};

struct io {
	struct rb_node rb_node;
	struct list_head f_head, a_head;
	struct d_info *dip;
	struct p_info *pip;
	void *pdu;
	__u64 bytes_left, g_time, i_time, m_time, d_time, c_time, d_sec, c_sec;
	__u64 s_time;
	__u32 d_nsec, c_nsec;

	struct blk_io_trace t;

	int linked;
	enum iop_type type;
};

/* bt_timeline.c */

extern char bt_timeline_version[], *devices, *exes, *input_name, *output_name;
extern char *seek_name, *iostat_name, *d2c_name, *q2c_name, *per_io_name;
extern char *bno_dump_name, *unplug_hist_name, *sps_name, *aqd_name, *q2d_name;
extern char *per_io_trees;
extern double range_delta, plat_freq, last_t_seen;
extern FILE *rngs_ofp, *avgs_ofp, *xavgs_ofp, *iostat_ofp, *per_io_ofp;
extern FILE *msgs_ofp;
extern int verbose, done, time_bounded, output_all_data, seek_absolute;
extern int easy_parse_avgs, ignore_remaps;
extern unsigned int n_devs;
extern unsigned long n_traces;
extern struct list_head all_devs, all_procs;
extern struct avgs_info all_avgs;
extern __u64 last_q;
extern struct region_info all_regions;
extern struct list_head all_ios, free_ios;
extern __u64 iostat_interval, iostat_last_stamp;
extern time_t genesis, last_vtrace;
extern double t_astart, t_aend;
extern __u64 q_histo[N_HIST_BKTS], d_histo[N_HIST_BKTS];

/* args.c */
void handle_args(int argc, char *argv[]);
void clean_args();

/* aqd.c */
void *aqd_alloc(char *str);
void aqd_free(void *info);
void aqd_clean(void);
void aqd_issue(void *info, double ts);
void aqd_complete(void *info, double ts);

/* devmap.c */
int dev_map_read(char *fname);
char *dev_map_find(__u32 device);
void dev_map_exit(void);

/* devs.c */
void init_dev_heads(void);
struct d_info *dip_alloc(__u32 device, struct io *iop);
void iop_rem_dip(struct io *iop);
struct d_info *__dip_find(__u32 device);
void dip_foreach_list(struct io *iop, enum iop_type type, struct list_head *hd);
void dip_foreach(struct io *iop, enum iop_type type,
		 void (*fnc)(struct io *iop, struct io *this), int rm_after);
struct io *dip_find_sec(struct d_info *dip, enum iop_type type, __u64 sec);
void dip_foreach_out(void (*func)(struct d_info *, void *), void *arg);
void dip_plug(__u32 dev, double cur_time);
void dip_unplug(__u32 dev, double cur_time, __u64 nio_ups);
void dip_unplug_tm(__u32 dev, double cur_time, __u64 nio_ups);
void dip_exit(void);
void dip_cleanup(void);

/* dip_rb.c */
int rb_insert(struct rb_root *root, struct io *iop);
struct io *rb_find_sec(struct rb_root *root, __u64 sec);
void rb_foreach(struct rb_node *n, struct io *iop,
		      void (*fnc)(struct io *iop, struct io *this),
		      struct list_head *head);

/* iostat.c */
void iostat_init(void);
void iostat_getrq(struct io *iop);
void iostat_merge(struct io *iop);
void iostat_issue(struct io *iop);
void iostat_complete(struct io *d_iop, struct io *c_iop);
void iostat_check_time(__u64 stamp);
void iostat_dump_stats(__u64 stamp, int all);

/* latency.c */
void latency_alloc(struct d_info *dip);
void latency_clean(void);
void latency_q2d(struct d_info *dip, __u64 tstamp, __u64 latency);
void latency_d2c(struct d_info *dip, __u64 tstamp, __u64 latency);
void latency_q2c(struct d_info *dip, __u64 tstamp, __u64 latency);

/* misc.c */
void add_file(FILE *fp, char *oname);
void add_buf(void *buf);
char *make_dev_hdr(char *pad, size_t len, struct d_info *dip, int add_parens);
FILE *my_fopen(const char *path, const char *mode);
int my_open(const char *path, int flags);
void dbg_ping(void);
void clean_allocs(void);

/* mmap.c */
void setup_ifile(char *fname);
void cleanup_ifile(void);
int next_trace(struct blk_io_trace *t, void **pdu);
double pct_done(void);

/* output.c */
int output_avgs(FILE *ofp);
int output_ranges(FILE *ofp);

/* proc.c */
void process_alloc(__u32 pid, char *name);
struct p_info *find_process(__u32 pid, char *name);
void pip_update_q(struct io *iop);
void pip_foreach_out(void (*f)(struct p_info *, void *), void *arg);
void pip_exit(void);

/* bno_dump.c */
void *bno_dump_alloc(__u32 device);
void bno_dump_free(void *param);
void bno_dump_add(void *handle, struct io *iop);
void bno_dump_clean(void);

/* plat.c */
void *plat_alloc(char *str);
void plat_free(void *info);
void plat_clean(void);
void plat_x2c(void *info, __u64 ts, __u64 latency);

/* q2d.c */
void q2d_histo_add(void *priv, __u64 q2d);
void *q2d_alloc(void);
void q2d_free(void *priv);
void q2d_display_header(FILE *fp);
void q2d_display_dashes(FILE *fp);
void q2d_display(FILE *fp, void *priv);
int q2d_ok(void *priv);
void q2d_acc(void *a1, void *a2);

/* rstats.c */
void *rstat_alloc(char *bn);
void rstat_free(void *ptr);
void rstat_add(void *ptr, double cur, unsigned long long nblks);
int rstat_init(void);
void rstat_exit(void);

/* seek.c */
void *seeki_alloc(char *str);
void seeki_free(void *param);
void seek_clean(void);
void seeki_add(void *handle, struct io *iop);
double seeki_mean(void *handle);
long long seeki_nseeks(void *handle);
long long seeki_median(void *handle);
int seeki_mode(void *handle, struct mode *mp);

/* trace.c */
void add_trace(struct io *iop);

/* trace_complete.c */
void trace_complete(struct io *c_iop);

/* trace_im.c */
void run_im(struct io *im_iop, struct io *d_iop, struct io *c_iop);
void run_unim(struct io *im_iop, struct io *d_iop, struct io *c_iop);
int ready_im(struct io *im_iop, struct io *c_iop);
void trace_insert(struct io *i_iop);
void trace_merge(struct io *m_iop);
void trace_getrq(struct io *g_iop);
void trace_sleeprq(struct io *s_iop);

/* trace_issue.c */
void run_issue(struct io *d_iop, struct io *u_iop, struct io *c_iop);
void run_unissue(struct io *d_iop, struct io *u_iop, struct io *c_iop);
int ready_issue(struct io *d_iop, struct io *c_iop);
void trace_issue(struct io *d_iop);

/* trace_plug.c */
void trace_plug(struct io *p_iop);
void trace_unplug_io(struct io *u_iop);
void trace_unplug_timer(struct io *u_iop);

/* trace_queue.c */
void run_queue(struct io *q_iop, struct io *u_iop, struct io *c_iop);
int ready_queue(struct io *q_iop, struct io *c_iop);
void trace_queue(struct io *q_iop);

/* trace_remap.c */
void run_remap(struct io *a_iop, struct io *u_iop, struct io *c_iop);
int ready_remap(struct io *a_iop, struct io *c_iop);
void trace_remap(struct io *a_iop);

/* trace_requeue.c */
void trace_requeue(struct io *r_iop);

/* unplug_hist.c */
void *unplug_hist_alloc(__u32 device);
void unplug_hist_free(void *arg);
void unplug_hist_add(struct io *u_iop);

#include "inlines.h"
Commit	Line	Data
63eba147 JA	1	/*
	2	* blktrace output analysis: generate a timeline & gather statistics
	3	*
	4	* Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	*/
63eba147 JA	21	#include <stdio.h>
63eba147 JA	22	#include <string.h>
6eb42155	23	#include <time.h>
63eba147 JA	24
63eba147 JA	25	#include "blktrace.h"
6eb42155	26	#include "rbtree.h"
63eba147 JA	27	#include "list.h"
63eba147 JA	28
fa0ab85d AB	29	/*
	30	* 0 == 1 blk
	31	* 1 == 2 blks
	32	* ...
	33	* 1022 == 1023 blks
	34	* 1023 == 1024 blks
	35	* 1024 == > 1024 blks
	36	*/
	37	#define N_HIST_BKTS 1025
	38
63eba147 JA	39	#define BIT_TIME(t) ((double)SECONDS(t) + ((double)NANO_SECONDS(t) / 1.0e9))
	40
	41	#define BIT_START(iop) ((iop)->t.sector)
	42	#define BIT_END(iop) ((iop)->t.sector + ((iop)->t.bytes >> 9))
5225e788	43	#define IOP_READ(iop) ((iop)->t.action & BLK_TC_ACT(BLK_TC_READ))
21e47d90	44	#define IOP_RW(iop) (IOP_READ(iop) ? 1 : 0)
63eba147	45
b2ecdd0f ADB	46	#define TO_SEC(nanosec) ((double)(nanosec) / 1.0e9)
	47	#define TO_MSEC(nanosec) (1000.0 * TO_SEC(nanosec))
	48
63eba147 JA	49	enum iop_type {
	50	IOP_Q = 0,
	51	IOP_X = 1,
	52	IOP_A = 2,
4c48f14e	53	IOP_G = 3,
095181f2	54	IOP_M = 4,
d76c5b81 AB	55	IOP_D = 5,
	56	IOP_C = 6,
	57	IOP_R = 7,
354db430 AB	58	IOP_I = 8,
354db430 AB	59	IOP_S = 9
63eba147	60	};
354db430	61	#define N_IOP_TYPES (IOP_S + 1)
63eba147	62
6eb42155 ADB	63	struct mode {
	64	int most_seeks, nmds;
	65	long long *modes;
63eba147 JA	66	};
	67
	68	struct io;
	69	struct io_list {
	70	struct list_head head;
	71	struct io *iop;
	72	int cy_users;
	73	};
	74
	75	struct avg_info {
	76	__u64 min, max, total;
	77	double avg;
	78	int n;
	79	};
	80
	81	struct avgs_info {
ae6d30f4 AB	82	struct avg_info q2q_dm;
	83	struct avg_info q2a_dm;
	84	struct avg_info q2c_dm;
	85
63eba147	86	struct avg_info q2q;
ae6d30f4 AB	87	struct avg_info q2a;
ae6d30f4 AB	88	struct avg_info q2g;
354db430	89	struct avg_info s2g;
ae6d30f4 AB	90	struct avg_info g2i;
	91	struct avg_info q2m;
	92	struct avg_info i2d;
	93	struct avg_info m2d;
63eba147	94	struct avg_info d2c;
ae6d30f4	95	struct avg_info q2c;
63eba147 JA	96
	97	struct avg_info blks; /* Blocks transferred */
	98	};
	99
	100	struct range_info {
	101	struct list_head head; /* on: qranges OR cranges */
	102	__u64 start, end;
	103	};
	104
	105	struct region_info {
	106	struct list_head qranges;
	107	struct list_head cranges;
63eba147 JA	108	};
63eba147 JA	109
63eba147	110	struct p_info {
63eba147 JA	111	struct region_info regions;
63eba147 JA	112	struct avgs_info avgs;
63eba147	113	__u64 last_q;
6eb42155	114	__u32 pid;
69040794	115	char *name;
63eba147 JA	116	};
63eba147 JA	117
21e47d90	118	struct stats {
6eb42155	119	__u64 rqm[2], ios[2], sec[2], wait, svctm;
21e47d90	120	double last_qu_change, last_dev_change, tot_qusz, idle_time;
6eb42155	121	int cur_qusz, cur_dev;
21e47d90 ADB	122	};
21e47d90 ADB	123
4a5cddba JA	124	struct stats_t {
	125	double n;
	126	double rqm_s[2], ios_s[2], sec_s[2];
	127	double avgrq_sz, avgqu_sz, await, svctm, p_util;
	128	};
	129
63eba147	130	struct d_info {
6eb42155 ADB	131	struct list_head all_head, hash_head;
6eb42155 ADB	132	void *heads;
63eba147	133	struct region_info regions;
c053af42 AB	134	char *devmap;
c053af42 AB	135	void q2q_handle, seek_handle, bno_dump_handle, up_hist_handle;
dbb8d92d	136	void q2d_priv, aqd_handle, *rstat_handle;
e47ada10	137	void q2d_plat_handle, q2c_plat_handle, *d2c_plat_handle;
a22df989	138	FILE q2d_ofp, d2c_ofp, q2c_ofp, pit_fp;
6eb42155	139	struct avgs_info avgs;
21e47d90	140	struct stats stats, all_stats;
77f256cd	141	__u64 last_q, n_qs, n_ds;
50f73899	142	__u64 n_act_q, t_act_q; /* # currently active when Q comes in */
6eb42155	143	__u32 device;
b2822cea	144
11997716	145	int pre_culling;
bb4a6607	146	int is_plugged, nplugs, nplugs_t;
b70a6642	147	__u64 nios_up, nios_upt;
b2822cea	148	double start_time, last_plug, plugged_time, end_time;
63eba147 JA	149	};
	150
	151	struct io {
6eb42155	152	struct rb_node rb_node;
8b10aae0	153	struct list_head f_head, a_head;
63eba147 JA	154	struct d_info *dip;
63eba147 JA	155	struct p_info *pip;
6eb42155	156	void *pdu;
ae6d30f4	157	__u64 bytes_left, g_time, i_time, m_time, d_time, c_time, d_sec, c_sec;
354db430	158	__u64 s_time;
4c48f14e AB	159	__u32 d_nsec, c_nsec;
4c48f14e AB	160
d76c5b81	161	struct blk_io_trace t;
4c48f14e	162
ae6d30f4	163	int linked;
63eba147	164	enum iop_type type;
d76c5b81	165	};
095181f2	166
6eb42155 ADB	167	/* bt_timeline.c */
6eb42155 ADB	168
63eba147	169	extern char bt_timeline_version[], devices, exes, input_name, output_name;
095181f2	170	extern char seek_name, iostat_name, d2c_name, q2c_name, *per_io_name;
e47ada10	171	extern char bno_dump_name, unplug_hist_name, sps_name, aqd_name, *q2d_name;
a22df989	172	extern char *per_io_trees;
dbb8d92d	173	extern double range_delta, plat_freq, last_t_seen;
c053af42	174	extern FILE rngs_ofp, avgs_ofp, xavgs_ofp, iostat_ofp, *per_io_ofp;
84a26fcd	175	extern FILE *msgs_ofp;
69040794	176	extern int verbose, done, time_bounded, output_all_data, seek_absolute;
ee27874b	177	extern int easy_parse_avgs, ignore_remaps;
63eba147	178	extern unsigned int n_devs;
6eb42155	179	extern unsigned long n_traces;
4c48f14e	180	extern struct list_head all_devs, all_procs;
63eba147	181	extern struct avgs_info all_avgs;
4c48f14e	182	extern __u64 last_q;
63eba147	183	extern struct region_info all_regions;
8b10aae0	184	extern struct list_head all_ios, free_ios;
21e47d90	185	extern __u64 iostat_interval, iostat_last_stamp;
6eb42155	186	extern time_t genesis, last_vtrace;
001b2633	187	extern double t_astart, t_aend;
fa0ab85d	188	extern __u64 q_histo[N_HIST_BKTS], d_histo[N_HIST_BKTS];
63eba147	189
6eb42155	190	/* args.c */
63eba147	191	void handle_args(int argc, char *argv[]);
c8aea612	192	void clean_args();
6eb42155	193
4ae2c3c6	194	/* aqd.c */
c053af42 AB	195	void aqd_alloc(char str);
c053af42 AB	196	void aqd_free(void *info);
2baef508	197	void aqd_clean(void);
4ae2c3c6 AB	198	void aqd_issue(void *info, double ts);
	199	void aqd_complete(void *info, double ts);
	200
69040794	201	/* devmap.c */
63eba147	202	int dev_map_read(char *fname);
c053af42	203	char *dev_map_find(__u32 device);
69040794	204	void dev_map_exit(void);
63eba147	205
6eb42155 ADB	206	/* devs.c */
6eb42155 ADB	207	void init_dev_heads(void);
c053af42 AB	208	struct d_info dip_alloc(__u32 device, struct io iop);
c053af42 AB	209	void iop_rem_dip(struct io *iop);
6eb42155	210	struct d_info *__dip_find(__u32 device);
095181f2	211	void dip_foreach_list(struct io iop, enum iop_type type, struct list_head hd);
8b10aae0	212	void dip_foreach(struct io *iop, enum iop_type type,
6eb42155 ADB	213	void (fnc)(struct io iop, struct io *this), int rm_after);
	214	struct io dip_find_sec(struct d_info dip, enum iop_type type, __u64 sec);
	215	void dip_foreach_out(void (func)(struct d_info , void ), void arg);
b2822cea	216	void dip_plug(__u32 dev, double cur_time);
b70a6642	217	void dip_unplug(__u32 dev, double cur_time, __u64 nio_ups);
15d67efc	218	void dip_unplug_tm(__u32 dev, double cur_time, __u64 nio_ups);
69040794	219	void dip_exit(void);
52481561	220	void dip_cleanup(void);
6eb42155 ADB	221
6eb42155 ADB	222	/* dip_rb.c */
095181f2	223	int rb_insert(struct rb_root root, struct io iop);
6eb42155	224	struct io rb_find_sec(struct rb_root root, __u64 sec);
8b10aae0	225	void rb_foreach(struct rb_node n, struct io iop,
6eb42155 ADB	226	void (fnc)(struct io iop, struct io *this),
	227	struct list_head *head);
	228
	229	/* iostat.c */
21e47d90	230	void iostat_init(void);
4c48f14e	231	void iostat_getrq(struct io *iop);
21e47d90 ADB	232	void iostat_merge(struct io *iop);
21e47d90 ADB	233	void iostat_issue(struct io *iop);
6eb42155	234	void iostat_complete(struct io d_iop, struct io c_iop);
21e47d90 ADB	235	void iostat_check_time(__u64 stamp);
	236	void iostat_dump_stats(__u64 stamp, int all);
	237
6eb42155	238	/* latency.c */
c053af42	239	void latency_alloc(struct d_info *dip);
b2ecdd0f	240	void latency_clean(void);
e47ada10	241	void latency_q2d(struct d_info *dip, __u64 tstamp, __u64 latency);
b2ecdd0f ADB	242	void latency_d2c(struct d_info *dip, __u64 tstamp, __u64 latency);
	243	void latency_q2c(struct d_info *dip, __u64 tstamp, __u64 latency);
	244
6eb42155	245	/* misc.c */
c053af42	246	void add_file(FILE fp, char oname);
69040794	247	void add_buf(void *buf);
84a26fcd	248	char make_dev_hdr(char pad, size_t len, struct d_info *dip, int add_parens);
99bb5ebc	249	FILE my_fopen(const char path, const char *mode);
e6855475	250	int my_open(const char *path, int flags);
6eb42155	251	void dbg_ping(void);
c053af42	252	void clean_allocs(void);
6eb42155	253
d76c5b81 AB	254	/* mmap.c */
	255	void setup_ifile(char *fname);
	256	void cleanup_ifile(void);
	257	int next_trace(struct blk_io_trace t, void *pdu);
32ff7e3b	258	double pct_done(void);
d76c5b81	259
6eb42155 ADB	260	/* output.c */
	261	int output_avgs(FILE *ofp);
	262	int output_ranges(FILE *ofp);
6eb42155 ADB	263
6eb42155 ADB	264	/* proc.c */
c053af42	265	void process_alloc(__u32 pid, char *name);
6eb42155 ADB	266	struct p_info find_process(__u32 pid, char name);
	267	void pip_update_q(struct io *iop);
	268	void pip_foreach_out(void (f)(struct p_info , void ), void arg);
69040794 AB	269	void pip_exit(void);
	270
	271	/* bno_dump.c */
c053af42 AB	272	void *bno_dump_alloc(__u32 device);
c053af42 AB	273	void bno_dump_free(void *param);
69040794 AB	274	void bno_dump_add(void handle, struct io iop);
69040794 AB	275	void bno_dump_clean(void);
6eb42155	276
2baef508	277	/* plat.c */
c053af42 AB	278	void plat_alloc(char str);
c053af42 AB	279	void plat_free(void *info);
2baef508 AB	280	void plat_clean(void);
	281	void plat_x2c(void *info, __u64 ts, __u64 latency);
	282
951ea56c AB	283	/* q2d.c */
951ea56c AB	284	void q2d_histo_add(void *priv, __u64 q2d);
c053af42 AB	285	void *q2d_alloc(void);
c053af42 AB	286	void q2d_free(void *priv);
951ea56c AB	287	void q2d_display_header(FILE *fp);
	288	void q2d_display_dashes(FILE *fp);
	289	void q2d_display(FILE fp, void priv);
	290	int q2d_ok(void *priv);
	291	void q2d_acc(void a1, void a2);
	292
dbb8d92d AB	293	/* rstats.c */
	294	void rstat_alloc(char bn);
	295	void rstat_free(void *ptr);
	296	void rstat_add(void *ptr, double cur, unsigned long long nblks);
	297	int rstat_init(void);
	298	void rstat_exit(void);
	299
6eb42155	300	/* seek.c */
c053af42 AB	301	void seeki_alloc(char str);
c053af42 AB	302	void seeki_free(void *param);
6eb42155 ADB	303	void seek_clean(void);
	304	void seeki_add(void handle, struct io iop);
	305	double seeki_mean(void *handle);
	306	long long seeki_nseeks(void *handle);
	307	long long seeki_median(void *handle);
	308	int seeki_mode(void handle, struct mode mp);
	309
	310	/* trace.c */
	311	void add_trace(struct io *iop);
	312
095181f2 JA	313	/* trace_complete.c */
095181f2 JA	314	void trace_complete(struct io *c_iop);
095181f2 JA	315
095181f2 JA	316	/* trace_im.c */
c8b0b334 AB	317	void run_im(struct io im_iop, struct io d_iop, struct io *c_iop);
c8b0b334 AB	318	void run_unim(struct io im_iop, struct io d_iop, struct io *c_iop);
d76c5b81	319	int ready_im(struct io im_iop, struct io c_iop);
095181f2 JA	320	void trace_insert(struct io *i_iop);
095181f2 JA	321	void trace_merge(struct io *m_iop);
4c48f14e	322	void trace_getrq(struct io *g_iop);
354db430	323	void trace_sleeprq(struct io *s_iop);
095181f2 JA	324
095181f2 JA	325	/* trace_issue.c */
c8b0b334 AB	326	void run_issue(struct io d_iop, struct io u_iop, struct io *c_iop);
c8b0b334 AB	327	void run_unissue(struct io d_iop, struct io u_iop, struct io *c_iop);
d76c5b81	328	int ready_issue(struct io d_iop, struct io c_iop);
095181f2	329	void trace_issue(struct io *d_iop);
095181f2	330
b2822cea AB	331	/* trace_plug.c */
	332	void trace_plug(struct io *p_iop);
	333	void trace_unplug_io(struct io *u_iop);
	334	void trace_unplug_timer(struct io *u_iop);
	335
095181f2	336	/* trace_queue.c */
c8b0b334	337	void run_queue(struct io q_iop, struct io u_iop, struct io *c_iop);
d76c5b81	338	int ready_queue(struct io q_iop, struct io c_iop);
095181f2	339	void trace_queue(struct io *q_iop);
095181f2 JA	340
095181f2 JA	341	/* trace_remap.c */
c8b0b334	342	void run_remap(struct io a_iop, struct io u_iop, struct io *c_iop);
d76c5b81	343	int ready_remap(struct io a_iop, struct io c_iop);
095181f2	344	void trace_remap(struct io *a_iop);
095181f2 JA	345
	346	/* trace_requeue.c */
	347	void trace_requeue(struct io *r_iop);
095181f2	348
fc16a815	349	/* unplug_hist.c */
c053af42 AB	350	void *unplug_hist_alloc(__u32 device);
c053af42 AB	351	void unplug_hist_free(void *arg);
fc16a815 AB	352	void unplug_hist_add(struct io *u_iop);
fc16a815 AB	353
63eba147	354	#include "inlines.h"