| hwpmc_piv.c (145338) | hwpmc_piv.c (145615) |
|---|---|
| 1/*- 2 * Copyright (c) 2003-2005 Joseph Koshy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2003-2005 Joseph Koshy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/dev/hwpmc/hwpmc_piv.c 145338 2005-04-20 20:26:39Z marcel $"); | 28__FBSDID("$FreeBSD: head/sys/dev/hwpmc/hwpmc_piv.c 145615 2005-04-28 08:13:19Z jkoshy $"); |
| 29 30#include <sys/param.h> 31#include <sys/lock.h> 32#include <sys/mutex.h> 33#include <sys/pmc.h> 34#include <sys/pmckern.h> 35#include <sys/smp.h> 36#include <sys/systm.h> --- 536 unchanged lines hidden (view full) --- 573 return 0; 574} 575 576/* 577 * Context switch in. 578 */ 579 580static int | 29 30#include <sys/param.h> 31#include <sys/lock.h> 32#include <sys/mutex.h> 33#include <sys/pmc.h> 34#include <sys/pmckern.h> 35#include <sys/smp.h> 36#include <sys/systm.h> --- 536 unchanged lines hidden (view full) --- 573 return 0; 574} 575 576/* 577 * Context switch in. 578 */ 579 580static int |
| 581p4_switch_in(struct pmc_cpu *pc) | 581p4_switch_in(struct pmc_cpu *pc, struct pmc_process *pp) |
| 582{ 583 (void) pc; | 582{ 583 (void) pc; |
| 584 585 PMCDBG(MDP,SWI,1, "pc=%p pp=%p enable-msr=%d", pc, pp, 586 (pp->pp_flags & PMC_FLAG_ENABLE_MSR_ACCESS) != 0); 587 |
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| 584 /* enable the RDPMC instruction */ | 588 /* enable the RDPMC instruction */ |
| 585 load_cr4(rcr4() | CR4_PCE); | 589 if (pp->pp_flags & PMC_FLAG_ENABLE_MSR_ACCESS) 590 load_cr4(rcr4() | CR4_PCE); 591 592 PMCDBG(MDP,SWI,2, "cr4=0x%x", rcr4()); 593 |
| 586 return 0; 587} 588 589/* 590 * Context switch out. 591 */ 592 593static int | 594 return 0; 595} 596 597/* 598 * Context switch out. 599 */ 600 601static int |
| 594p4_switch_out(struct pmc_cpu *pc) | 602p4_switch_out(struct pmc_cpu *pc, struct pmc_process *pp) |
| 595{ 596 (void) pc; | 603{ 604 (void) pc; |
| 597 /* disallow RDPMC instruction */ | 605 (void) pp; /* can be null */ 606 607 PMCDBG(MDP,SWO,1, "pc=%p pp=%p", pc, pp); 608 609 /* always disallow the RDPMC instruction */ |
| 598 load_cr4(rcr4() & ~CR4_PCE); | 610 load_cr4(rcr4() & ~CR4_PCE); |
| 611 612 PMCDBG(MDP,SWO,2, "cr4=0x%x", rcr4()); 613 |
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| 599 return 0; 600} 601 602/* 603 * Read a PMC 604 */ 605 606static int --- 807 unchanged lines hidden (view full) --- 1414 */ 1415 1416static int 1417p4_get_msr(int ri, uint32_t *msr) 1418{ 1419 KASSERT(ri >= 0 && ri < P4_NPMCS, 1420 ("[p4,%d] ri %d out of range", __LINE__, ri)); 1421 | 614 return 0; 615} 616 617/* 618 * Read a PMC 619 */ 620 621static int --- 807 unchanged lines hidden (view full) --- 1429 */ 1430 1431static int 1432p4_get_msr(int ri, uint32_t *msr) 1433{ 1434 KASSERT(ri >= 0 && ri < P4_NPMCS, 1435 ("[p4,%d] ri %d out of range", __LINE__, ri)); 1436 |
| 1422 *msr = p4_pmcdesc[ri].pm_pmc_msr; | 1437 *msr = p4_pmcdesc[ri].pm_pmc_msr - P4_PERFCTR_MSR_FIRST; 1438 1439 PMCDBG(MDP,OPS, 1, "ri=%d getmsr=0x%x", ri, *msr); 1440 |
| 1423 return 0; 1424} 1425 1426 1427int 1428pmc_initialize_p4(struct pmc_mdep *pmc_mdep) 1429{ 1430 struct p4_event_descr *pe; --- 50 unchanged lines hidden --- | 1441 return 0; 1442} 1443 1444 1445int 1446pmc_initialize_p4(struct pmc_mdep *pmc_mdep) 1447{ 1448 struct p4_event_descr *pe; --- 50 unchanged lines hidden --- |