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- /* -*- mode:c; c-file-style:"k&r"; c-basic-offset: 4; tab-width:4; indent-tabs-mode:nil; mode:auto-fill; fill-column:78; -*- */
- /* vim: set ts=4 sw=4 et tw=78 fo=cqt wm=0: */
- /* Copyright (C) 2014 OSCAR lab, Stony Brook University
- This file is part of Graphene Library OS.
- Graphene Library OS 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 3 of the
- License, or (at your option) any later version.
- Graphene Library OS 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, see <http://www.gnu.org/licenses/>. */
- /*
- * shim_profile.h
- *
- * This file includes macros and types for profiling the library OS
- * performance.
- */
- #ifndef _SHIM_PROFILE_H_
- #define _SHIM_PROFILE_H_
- #ifdef PROFILE
- #include <shim_atomic.h>
- struct shim_profile {
- const char * name;
- enum { CATAGORY, OCCURENCE, INTERVAL } type;
- bool disabled;
- struct shim_profile * root;
- union {
- struct {
- struct shim_atomic count;
- } occurence;
- struct {
- struct shim_atomic count;
- struct shim_atomic time;
- } interval;
- } val;
- } __attribute__((aligned(64)));
- struct profile_val {
- int idx;
- union {
- struct {
- unsigned int count;
- } occurence;
- struct {
- unsigned int count;
- unsigned long time;
- } interval;
- } val;
- };
- extern struct shim_profile __profile;
- extern struct shim_profile __profile_end;
- #define N_PROFILE \
- (((void *) &__profile_end - (void *) &__profile) / sizeof(struct shim_profile))
- #define PROFILES (&__profile)
- #define DEFINE_PROFILE_CATAGORY(prof, rprof) \
- _DEFINE_PROFILE_CATAGORY(prof, rprof)
- #define _DEFINE_PROFILE_CATAGORY(prof, rprof) \
- extern struct shim_profile profile_##rprof; \
- struct shim_profile profile_##prof \
- __attribute__((section(".profile"))) = { \
- .name = #prof, \
- .root = &profile_##rprof, \
- .type = CATAGORY, \
- };
- #define DEFINE_PROFILE_CATAGORY_DISABLED(prof, rprof) \
- _DEFINE_PROFILE_CATAGORY(prof, rprof)
- #define _DEFINE_PROFILE_CATAGORY_DISABLED(prof, rprof) \
- extern struct shim_profile profile_##rprof; \
- struct shim_profile profile_##prof \
- __attribute__((section(".profile"))) = { \
- .name = #prof, \
- .disabled = true, \
- .root = &profile_##rprof, \
- .type = CATAGORY, \
- };
- #define DEFINE_PROFILE_OCCURENCE(prof, rprof) \
- _DEFINE_PROFILE_OCCURENCE(prof, rprof)
- #define _DEFINE_PROFILE_OCCURENCE(prof, rprof) \
- extern struct shim_profile profile_##rprof; \
- struct shim_profile profile_##prof \
- __attribute__((section(".profile"))) = { \
- .name = #prof, \
- .root = &profile_##rprof, \
- .type = OCCURENCE, \
- };
- #define DEFINE_PROFILE_INTERVAL(prof, rprof) \
- _DEFINE_PROFILE_INTERVAL(prof, rprof)
- #define _DEFINE_PROFILE_INTERVAL(prof, rprof) \
- extern struct shim_profile profile_##rprof; \
- struct shim_profile profile_##prof \
- __attribute__((section(".profile"))) = { \
- .name = #prof, \
- .root = &profile_##rprof, \
- .type = INTERVAL, \
- };
- #define profile_ profile_root
- #define INC_PROFILE_OCCURENCE(prof) _INC_PROFILE_OCCURENCE(prof)
- #define _INC_PROFILE_OCCURENCE(prof) \
- ({ \
- extern struct shim_profile profile_##prof; \
- profile_##prof.disabled ? 0 : ({ \
- unsigned long _c; \
- _c = atomic_read(&profile_##prof.val.occurence.count); \
- atomic_inc(&profile_##prof.val.occurence.count); \
- _c + 1; }); \
- })
- #define ADD_PROFILE_OCCURENCE(prof, num) _ADD_PROFILE_OCCURENCE(prof, num)
- #define _ADD_PROFILE_OCCURENCE(prof, num) \
- ({ \
- extern struct shim_profile profile_##prof; \
- profile_##prof.disabled ? 0 : ({ \
- unsigned long _c, _num = (num); \
- _c = atomic_read(&profile_##prof.val.occurence.count); \
- atomic_add(_num, &profile_##prof.val.occurence.count); \
- _c + _num; }); \
- })
- #define BEGIN_PROFILE_INTERVAL() \
- unsigned long _interval; \
- do { _interval = DkSystemTimeQuery(); } while (0)
- #define BEGIN_PROFILE_INTERVAL_SET(val) \
- unsigned long _interval; \
- do { _interval = val; } while (0)
- #define SET_PROFILE_INTERVAL(val) \
- do { _interval = val; } while (0)
- #define GET_PROFILE_INTERVAL() DkSystemTimeQuery()
- #define UPDATE_PROFILE_INTERVAL() \
- ({ \
- unsigned long _c = DkSystemTimeQuery(); \
- unsigned long _t = _c - _interval; \
- _interval = _c; \
- _t; \
- })
- #define ASSIGN_PROFILE_INTERVAL(prof) _ASSIGN_PROFILE_INTERVAL(prof)
- #define _ASSIGN_PROFILE_INTERVAL(prof) \
- extern struct shim_profile profile_##prof; \
- struct shim_profile *_profile = &profile_##prof;
- #define SAVE_PROFILE_INTERVAL_ASSIGNED() \
- ({ \
- _profile->disabled ? 0 : ({ \
- unsigned long _t = UPDATE_PROFILE_INTERVAL(); \
- atomic_inc(&_profile->val.interval.count); \
- atomic_add(_t, &_profile->val.interval.time); \
- _t; }); \
- })
- #define SAVE_PROFILE_INTERVAL(prof) _SAVE_PROFILE_INTERVAL(prof)
- #define _SAVE_PROFILE_INTERVAL(prof) \
- ({ \
- extern struct shim_profile profile_##prof; \
- profile_##prof.disabled ? 0 : ({ \
- unsigned long _t = UPDATE_PROFILE_INTERVAL(); \
- atomic_inc(&profile_##prof.val.interval.count); \
- atomic_add(_t, &profile_##prof.val.interval.time); \
- _t; }); \
- })
- #define SAVE_PROFILE_INTERVAL_SINCE(prof, since) \
- _SAVE_PROFILE_INTERVAL_SINCE(prof, since)
- #define _SAVE_PROFILE_INTERVAL_SINCE(prof, since) \
- ({ \
- extern struct shim_profile profile_##prof; \
- profile_##prof.disabled ? 0 : ({ \
- unsigned long _c = DkSystemTimeQuery(); \
- unsigned long _t = _c - (since); \
- atomic_inc(&profile_##prof.val.interval.count); \
- atomic_add(_t, &profile_##prof.val.interval.time); \
- _t; }); \
- })
- #define SAVE_PROFILE_INTERVAL_SET(prof, begin, end) \
- _SAVE_PROFILE_INTERVAL_SET(prof, begin, end)
- #define _SAVE_PROFILE_INTERVAL_SET(prof, begin, end) \
- ({ \
- extern struct shim_profile profile_##prof; \
- profile_##prof.disabled ? 0 : ({ \
- unsigned long _t = (end) - (begin); \
- atomic_inc(&profile_##prof.val.interval.count); \
- atomic_add(_t, &profile_##prof.val.interval.time); \
- _t; }); \
- })
- #else
- #define DEFINE_PROFILE_CATAGORY(prof, rprof)
- #define DEFINE_PROFILE_OCCURENCE(prof, rprof)
- #define DEFINE_PROFILE_INTERVAL(prof, rprof)
- #define INC_PROFILE_OCCURENCE(prof) ({ do {} while (0); 0; })
- #define ADD_PROFILE_OCCURENCE(prof, val) ({ do {} while (0); 0; })
- #define BEGIN_PROFILE_INTERVAL() do {} while (0)
- #define BEGIN_PROFILE_INTERVAL_SET(val) do {} while (0)
- #define SET_PROFILE_INTERVAL(val) do {} while (0)
- #define GET_PROFILE_INTERVAL() (0)
- #define UPDATE_PROFILE_INTERVAL() ({ do {} while (0); 0; })
- #define ASSIGN_PROFILE_INTERVAL(prof) do {} while (0)
- #define SAVE_PROFILE_INTERVAL_ASSIGNED() ({ do {} while (0); 0; })
- #define SAVE_PROFILE_INTERVAL(prof) ({ do {} while (0); 0; })
- #define SAVE_PROFILE_INTERVAL_SINCE(prof, time) ({ do {} while (0); 0; })
- #define SAVE_PROFILE_INTERVAL_SET(prof, begin, end) ({ do {} while (0); 0; })
- #endif
- #endif /* _SHIM_PROFILE_H_ */
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