| time.c (f83eeb1a01689b2691f6f56629ac9f66de8d41c2) | time.c (eb8e20f89093b64f48975c74ccb114e6775cee22) |
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| 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Common time routines among all ppc machines. 4 * 5 * Written by Cort Dougan (cort@cs.nmt.edu) to merge 6 * Paul Mackerras' version and mine for PReP and Pmac. 7 * MPC8xx/MBX changes by Dan Malek (dmalek@jlc.net). 8 * Converted for 64-bit by Mike Corrigan (mikejc@us.ibm.com) --- 218 unchanged lines hidden (view full) --- 227 local_paca->dtl_curr = dtl; 228 return stolen; 229} 230 231/* 232 * Accumulate stolen time by scanning the dispatch trace log. 233 * Called on entry from user mode. 234 */ | 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Common time routines among all ppc machines. 4 * 5 * Written by Cort Dougan (cort@cs.nmt.edu) to merge 6 * Paul Mackerras' version and mine for PReP and Pmac. 7 * MPC8xx/MBX changes by Dan Malek (dmalek@jlc.net). 8 * Converted for 64-bit by Mike Corrigan (mikejc@us.ibm.com) --- 218 unchanged lines hidden (view full) --- 227 local_paca->dtl_curr = dtl; 228 return stolen; 229} 230 231/* 232 * Accumulate stolen time by scanning the dispatch trace log. 233 * Called on entry from user mode. 234 */ |
| 235void accumulate_stolen_time(void) | 235void notrace accumulate_stolen_time(void) |
| 236{ 237 u64 sst, ust; 238 unsigned long save_irq_soft_mask = irq_soft_mask_return(); 239 struct cpu_accounting_data *acct = &local_paca->accounting; 240 241 /* We are called early in the exception entry, before 242 * soft/hard_enabled are sync'ed to the expected state 243 * for the exception. We are hard disabled but the PACA --- 89 unchanged lines hidden (view full) --- 333 334 *stime_scaled = vtime_delta_scaled(acct, now, stime); 335 336 *steal_time = calculate_stolen_time(now); 337 338 return stime; 339} 340 | 236{ 237 u64 sst, ust; 238 unsigned long save_irq_soft_mask = irq_soft_mask_return(); 239 struct cpu_accounting_data *acct = &local_paca->accounting; 240 241 /* We are called early in the exception entry, before 242 * soft/hard_enabled are sync'ed to the expected state 243 * for the exception. We are hard disabled but the PACA --- 89 unchanged lines hidden (view full) --- 333 334 *stime_scaled = vtime_delta_scaled(acct, now, stime); 335 336 *steal_time = calculate_stolen_time(now); 337 338 return stime; 339} 340 |
| 341void vtime_account_kernel(struct task_struct *tsk) | 341void vtime_account_system(struct task_struct *tsk) |
| 342{ 343 unsigned long stime, stime_scaled, steal_time; 344 struct cpu_accounting_data *acct = get_accounting(tsk); 345 346 stime = vtime_delta(tsk, &stime_scaled, &steal_time); 347 348 stime -= min(stime, steal_time); 349 acct->steal_time += steal_time; --- 11 unchanged lines hidden (view full) --- 361 else 362 acct->stime += stime; 363 364#ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME 365 acct->stime_scaled += stime_scaled; 366#endif 367 } 368} | 342{ 343 unsigned long stime, stime_scaled, steal_time; 344 struct cpu_accounting_data *acct = get_accounting(tsk); 345 346 stime = vtime_delta(tsk, &stime_scaled, &steal_time); 347 348 stime -= min(stime, steal_time); 349 acct->steal_time += steal_time; --- 11 unchanged lines hidden (view full) --- 361 else 362 acct->stime += stime; 363 364#ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME 365 acct->stime_scaled += stime_scaled; 366#endif 367 } 368} |
| 369EXPORT_SYMBOL_GPL(vtime_account_kernel); | 369EXPORT_SYMBOL_GPL(vtime_account_system); |
| 370 371void vtime_account_idle(struct task_struct *tsk) 372{ 373 unsigned long stime, stime_scaled, steal_time; 374 struct cpu_accounting_data *acct = get_accounting(tsk); 375 376 stime = vtime_delta(tsk, &stime_scaled, &steal_time); 377 acct->idle_time += stime + steal_time; --- 12 unchanged lines hidden (view full) --- 390 acct->utime_sspurr = 0; 391 acct->stime_scaled = 0; 392#endif 393} 394 395/* 396 * Account the whole cputime accumulated in the paca 397 * Must be called with interrupts disabled. | 370 371void vtime_account_idle(struct task_struct *tsk) 372{ 373 unsigned long stime, stime_scaled, steal_time; 374 struct cpu_accounting_data *acct = get_accounting(tsk); 375 376 stime = vtime_delta(tsk, &stime_scaled, &steal_time); 377 acct->idle_time += stime + steal_time; --- 12 unchanged lines hidden (view full) --- 390 acct->utime_sspurr = 0; 391 acct->stime_scaled = 0; 392#endif 393} 394 395/* 396 * Account the whole cputime accumulated in the paca 397 * Must be called with interrupts disabled. |
| 398 * Assumes that vtime_account_kernel/idle() has been called | 398 * Assumes that vtime_account_system/idle() has been called |
| 399 * recently (i.e. since the last entry from usermode) so that 400 * get_paca()->user_time_scaled is up to date. 401 */ 402void vtime_flush(struct task_struct *tsk) 403{ 404 struct cpu_accounting_data *acct = get_accounting(tsk); 405 406 if (acct->utime) --- 838 unchanged lines hidden --- | 399 * recently (i.e. since the last entry from usermode) so that 400 * get_paca()->user_time_scaled is up to date. 401 */ 402void vtime_flush(struct task_struct *tsk) 403{ 404 struct cpu_accounting_data *acct = get_accounting(tsk); 405 406 if (acct->utime) --- 838 unchanged lines hidden --- |