projects / babeltrace.git / blame
| Commit | Line | Data |
|---|---|---|
| 75d9ab4b MD |
1 | #ifndef _BABELTRACE_CLOCK_INTERNAL_H |
| 2 | #define _BABELTRACE_CLOCK_INTERNAL_H | |
| 3 | ||
| 4 | /* | |
| 5 | * BabelTrace | |
| 6 | * | |
| 7 | * clocks header (internal) | |
| 8 | * | |
| 9 | * Copyright 2012 EfficiOS Inc. and Linux Foundation | |
| 10 | * | |
| 11 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 12 | * Julien Desfossez <julien.desfossez@efficios.com> | |
| 13 | * | |
| 14 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 15 | * of this software and associated documentation files (the "Software"), to deal | |
| 16 | * in the Software without restriction, including without limitation the rights | |
| 17 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 18 | * copies of the Software, and to permit persons to whom the Software is | |
| 19 | * furnished to do so, subject to the following conditions: | |
| 20 | * | |
| 21 | * The above copyright notice and this permission notice shall be included in | |
| 22 | * all copies or substantial portions of the Software. | |
| 23 | */ | |
| 24 | ||
| 25 | static inline | |
| 26 | uint64_t clock_cycles_to_ns(struct ctf_clock *clock, uint64_t cycles) | |
| 27 | { | |
| 28 | if (clock->freq == 1000000000ULL) { | |
| 29 | /* 1GHZ freq, no need to scale cycles value */ | |
| 30 | return cycles; | |
| 31 | } else { | |
| 32 | return (double) cycles * 1000000000.0 | |
| 33 | / (double) clock->freq; | |
| 34 | } | |
| 35 | } | |
| 36 | ||
| 37 | #endif /* _BABELTRACE_CLOCK_INTERNAL_H */ |