/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_IA64_TIMEX_H #define _ASM_IA64_TIMEX_H /* * Copyright (C) 1998-2001, 2003 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> */ /* * 2001/01/18 davidm Removed CLOCK_TICK_RATE. It makes no sense on IA-64. * Also removed cacheflush_time as it's entirely unused. */ #include <asm/intrinsics.h> #include <asm/processor.h> typedef unsigned long cycles_t; extern void (*ia64_udelay)(unsigned long usecs); /* * For performance reasons, we don't want to define CLOCK_TICK_TRATE as * local_cpu_data->itc_rate. Fortunately, we don't have to, either: according to George * Anzinger, 1/CLOCK_TICK_RATE is taken as the resolution of the timer clock. The time * calculation assumes that you will use enough of these so that your tick size <= 1/HZ. * If the calculation shows that your CLOCK_TICK_RATE can not supply exactly 1/HZ ticks, * the actual value is calculated and used to update the wall clock each jiffie. Setting * the CLOCK_TICK_RATE to x*HZ insures that the calculation will find no errors. Hence we * pick a multiple of HZ which gives us a (totally virtual) CLOCK_TICK_RATE of about * 100MHz. */ #define CLOCK_TICK_RATE (HZ * 100000UL)
static inline cycles_t get_cycles (void) { cycles_t ret; ret = ia64_getreg(_IA64_REG_AR_ITC); return ret; }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 15 | 68.18% | 1 | 50.00% |
| Suresh B. Siddha | 7 | 31.82% | 1 | 50.00% |
| Total | 22 | 100.00% | 2 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 29 | 37.18% | 1 | 8.33% |
| Isaku Yamahata | 16 | 20.51% | 2 | 16.67% |
| John Hawkes | 12 | 15.38% | 1 | 8.33% |
| Suresh B. Siddha | 9 | 11.54% | 1 | 8.33% |
| David Mosberger-Tang | 9 | 11.54% | 4 | 33.33% |
| Andrew Morton | 1 | 1.28% | 1 | 8.33% |
| Linus Torvalds | 1 | 1.28% | 1 | 8.33% |
| Greg Kroah-Hartman | 1 | 1.28% | 1 | 8.33% |
| Total | 78 | 100.00% | 12 | 100.00% |