From owner-svn-src-all@FreeBSD.ORG Wed Jan 18 11:48:08 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 60A371065672; Wed, 18 Jan 2012 11:48:08 +0000 (UTC) (envelope-from jhibbits@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 43E478FC1D; Wed, 18 Jan 2012 11:48:08 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q0IBm8bq038834; Wed, 18 Jan 2012 11:48:08 GMT (envelope-from jhibbits@svn.freebsd.org) Received: (from jhibbits@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q0IBm8IV038829; Wed, 18 Jan 2012 11:48:08 GMT (envelope-from jhibbits@svn.freebsd.org) Message-Id: <201201181148.q0IBm8IV038829@svn.freebsd.org> From: Justin Hibbits Date: Wed, 18 Jan 2012 11:48:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r230305 - in stable/9: lib/libpmc sys/dev/hwpmc sys/powerpc/aim sys/powerpc/include sys/sys X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Jan 2012 11:48:08 -0000 Author: jhibbits Date: Wed Jan 18 11:48:07 2012 New Revision: 230305 URL: http://svn.freebsd.org/changeset/base/230305 Log: MFC r228869,r228874: Implement hwpmc counting PMC support for PowerPC G4+ (MPC745x/MPC744x). Sampling is in progress. Approved by: nwhitehorn (mentor) Modified: stable/9/lib/libpmc/libpmc.c stable/9/sys/dev/hwpmc/hwpmc_powerpc.c stable/9/sys/dev/hwpmc/pmc_events.h stable/9/sys/powerpc/aim/machdep.c stable/9/sys/powerpc/aim/trap.c stable/9/sys/powerpc/include/pmc_mdep.h stable/9/sys/powerpc/include/spr.h stable/9/sys/sys/pmc.h Directory Properties: stable/9/lib/libpmc/ (props changed) stable/9/sys/ (props changed) stable/9/sys/amd64/include/xen/ (props changed) stable/9/sys/boot/ (props changed) stable/9/sys/boot/i386/efi/ (props changed) stable/9/sys/boot/ia64/efi/ (props changed) stable/9/sys/boot/ia64/ski/ (props changed) stable/9/sys/boot/powerpc/boot1.chrp/ (props changed) stable/9/sys/boot/powerpc/ofw/ (props changed) stable/9/sys/cddl/contrib/opensolaris/ (props changed) stable/9/sys/conf/ (props changed) stable/9/sys/contrib/dev/acpica/ (props changed) stable/9/sys/contrib/octeon-sdk/ (props changed) stable/9/sys/contrib/pf/ (props changed) stable/9/sys/contrib/x86emu/ (props changed) Modified: stable/9/lib/libpmc/libpmc.c ============================================================================== --- stable/9/lib/libpmc/libpmc.c Wed Jan 18 11:23:46 2012 (r230304) +++ stable/9/lib/libpmc/libpmc.c Wed Jan 18 11:48:07 2012 (r230305) @@ -83,6 +83,10 @@ static int mips24k_allocate_pmc(enum pmc struct pmc_op_pmcallocate *_pmc_config); #endif /* __mips__ */ +#if defined(__powerpc__) +static int ppc7450_allocate_pmc(enum pmc_event _pe, char* ctrspec, + struct pmc_op_pmcallocate *_pmc_config); +#endif /* __powerpc__ */ #define PMC_CALL(cmd, params) \ syscall(pmc_syscall, PMC_OP_##cmd, (params)) @@ -149,6 +153,7 @@ PMC_CLASSDEP_TABLE(p6, P6); PMC_CLASSDEP_TABLE(xscale, XSCALE); PMC_CLASSDEP_TABLE(mips24k, MIPS24K); PMC_CLASSDEP_TABLE(ucf, UCF); +PMC_CLASSDEP_TABLE(ppc7450, PPC7450); #undef __PMC_EV_ALIAS #define __PMC_EV_ALIAS(N,CODE) { N, PMC_EV_##CODE }, @@ -211,6 +216,7 @@ PMC_MDEP_TABLE(p5, P5, PMC_CLASS_TSC); PMC_MDEP_TABLE(p6, P6, PMC_CLASS_TSC); PMC_MDEP_TABLE(xscale, XSCALE, PMC_CLASS_XSCALE); PMC_MDEP_TABLE(mips24k, MIPS24K, PMC_CLASS_MIPS24K); +PMC_MDEP_TABLE(ppc7450, PPC7450, PMC_CLASS_PPC7450); static const struct pmc_event_descr tsc_event_table[] = { @@ -263,6 +269,10 @@ PMC_CLASS_TABLE_DESC(xscale, XSCALE, xsc PMC_CLASS_TABLE_DESC(mips24k, MIPS24K, mips24k, mips24k); #endif /* __mips__ */ +#if defined(__powerpc__) +PMC_CLASS_TABLE_DESC(ppc7450, PPC7450, ppc7450, ppc7450); +#endif + #undef PMC_CLASS_TABLE_DESC static const struct pmc_class_descr **pmc_class_table; @@ -2212,6 +2222,44 @@ mips24k_allocate_pmc(enum pmc_event pe, } #endif /* __mips__ */ +#if defined(__powerpc__) + +static struct pmc_event_alias ppc7450_aliases[] = { + EV_ALIAS("instructions", "INSTR_COMPLETED"), + EV_ALIAS("branches", "BRANCHES_COMPLETED"), + EV_ALIAS("branch-mispredicts", "MISPREDICTED_BRANCHES"), + EV_ALIAS(NULL, NULL) +}; + +#define PPC7450_KW_OS "os" +#define PPC7450_KW_USR "usr" +#define PPC7450_KW_ANYTHREAD "anythread" + +static int +ppc7450_allocate_pmc(enum pmc_event pe, char *ctrspec __unused, + struct pmc_op_pmcallocate *pmc_config __unused) +{ + char *p; + + (void) pe; + + pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); + + while ((p = strsep(&ctrspec, ",")) != NULL) { + if (KWMATCH(p, PPC7450_KW_OS)) + pmc_config->pm_caps |= PMC_CAP_SYSTEM; + else if (KWMATCH(p, PPC7450_KW_USR)) + pmc_config->pm_caps |= PMC_CAP_USER; + else if (KWMATCH(p, PPC7450_KW_ANYTHREAD)) + pmc_config->pm_caps |= (PMC_CAP_USER | PMC_CAP_SYSTEM); + else + return (-1); + } + + return (0); +} +#endif /* __powerpc__ */ + /* * Match an event name `name' with its canonical form. @@ -2573,6 +2621,10 @@ pmc_event_names_of_class(enum pmc_class ev = mips24k_event_table; count = PMC_EVENT_TABLE_SIZE(mips24k); break; + case PMC_CLASS_PPC7450: + ev = ppc7450_event_table; + count = PMC_EVENT_TABLE_SIZE(ppc7450); + break; default: errno = EINVAL; return (-1); @@ -2784,6 +2836,12 @@ pmc_init(void) pmc_class_table[n] = &mips24k_class_table_descr; break; #endif /* __mips__ */ +#if defined(__powerpc__) + case PMC_CPU_PPC_7450: + PMC_MDEP_INIT(ppc7450); + pmc_class_table[n] = &ppc7450_class_table_descr; + break; +#endif default: /* * Some kind of CPU this version of the library knows nothing @@ -2924,6 +2982,10 @@ _pmc_name_of_event(enum pmc_event pe, en ev = mips24k_event_table; evfence = mips24k_event_table + PMC_EVENT_TABLE_SIZE(mips24k ); + } else if (pe >= PMC_EV_PPC7450_FIRST && pe <= PMC_EV_PPC7450_LAST) { + ev = ppc7450_event_table; + evfence = ppc7450_event_table + PMC_EVENT_TABLE_SIZE(ppc7450 +); } else if (pe == PMC_EV_TSC_TSC) { ev = tsc_event_table; evfence = tsc_event_table + PMC_EVENT_TABLE_SIZE(tsc); Modified: stable/9/sys/dev/hwpmc/hwpmc_powerpc.c ============================================================================== --- stable/9/sys/dev/hwpmc/hwpmc_powerpc.c Wed Jan 18 11:23:46 2012 (r230304) +++ stable/9/sys/dev/hwpmc/hwpmc_powerpc.c Wed Jan 18 11:48:07 2012 (r230305) @@ -1,4 +1,5 @@ /*- + * Copyright (c) 2011 Justin Hibbits * Copyright (c) 2005, Joseph Koshy * All rights reserved. * @@ -30,20 +31,297 @@ __FBSDID("$FreeBSD$"); #include #include +#include +#include #include +#include +#include -struct pmc_mdep * -pmc_md_initialize() -{ - return NULL; -} +#define POWERPC_PMC_CAPS (PMC_CAP_INTERRUPT | PMC_CAP_USER | \ + PMC_CAP_SYSTEM | PMC_CAP_EDGE | \ + PMC_CAP_THRESHOLD | PMC_CAP_READ | \ + PMC_CAP_WRITE | PMC_CAP_INVERT | \ + PMC_CAP_QUALIFIER) -void -pmc_md_finalize(struct pmc_mdep *md) -{ - (void) md; -} +#define PPC_SET_PMC1SEL(r, x) ((r & ~(SPR_MMCR0_PMC1SEL(0x3f))) | SPR_MMCR0_PMC1SEL(x)) +#define PPC_SET_PMC2SEL(r, x) ((r & ~(SPR_MMCR0_PMC2SEL(0x3f))) | SPR_MMCR0_PMC2SEL(x)) +#define PPC_SET_PMC3SEL(r, x) ((r & ~(SPR_MMCR1_PMC3SEL(0x1f))) | SPR_MMCR1_PMC3SEL(x)) +#define PPC_SET_PMC4SEL(r, x) ((r & ~(SPR_MMCR1_PMC4SEL(0x1f))) | SPR_MMCR1_PMC4SEL(x)) +#define PPC_SET_PMC5SEL(r, x) ((r & ~(SPR_MMCR1_PMC5SEL(0x1f))) | SPR_MMCR1_PMC5SEL(x)) +#define PPC_SET_PMC6SEL(r, x) ((r & ~(SPR_MMCR1_PMC6SEL(0x3f))) | SPR_MMCR1_PMC6SEL(x)) + +/* Change this when we support more than just the 7450. */ +#define PPC_MAX_PMCS 6 + +#define POWERPC_PMC_KERNEL_ENABLE (0x1 << 30) +#define POWERPC_PMC_USER_ENABLE (0x1 << 31) + +#define POWERPC_PMC_ENABLE (POWERPC_PMC_KERNEL_ENABLE | POWERPC_PMC_USER_ENABLE) +#define POWERPC_RELOAD_COUNT_TO_PERFCTR_VALUE(V) (0x80000000-(V)) +#define POWERPC_PERFCTR_VALUE_TO_RELOAD_COUNT(P) ((P)-0x80000000) +#define POWERPC_PMC_HAS_OVERFLOWED(x) (powerpc_pmcn_read(x) & (0x1 << 31)) + + +/* + * This should work for every 32-bit PowerPC implementation I know of (G3 and G4 + * specifically). PoewrPC 970 will take more work. + */ + +/* + * Per-processor information. + */ +struct powerpc_cpu { + struct pmc_hw *pc_ppcpmcs; +}; + +static struct powerpc_cpu **powerpc_pcpu; + +struct powerpc_event_code_map { + enum pmc_event pe_ev; /* enum value */ + uint8_t pe_counter_mask; /* Which counter this can be counted in. */ + uint8_t pe_code; /* numeric code */ +}; + +#define PPC_PMC_MASK1 0 +#define PPC_PMC_MASK2 1 +#define PPC_PMC_MASK3 2 +#define PPC_PMC_MASK4 3 +#define PPC_PMC_MASK5 4 +#define PPC_PMC_MASK6 5 +#define PPC_PMC_MASK_ALL 0x3f + +#define PMC_POWERPC_EVENT(id, mask, number) \ + { .pe_ev = PMC_EV_PPC7450_##id, .pe_counter_mask = mask, .pe_code = number } + +static struct powerpc_event_code_map powerpc_event_codes[] = { + PMC_POWERPC_EVENT(CYCLE,PPC_PMC_MASK_ALL, 1), + PMC_POWERPC_EVENT(INSTR_COMPLETED, 0x0f, 2), + PMC_POWERPC_EVENT(TLB_BIT_TRANSITIONS, 0x0f, 3), + PMC_POWERPC_EVENT(INSTR_DISPATCHED, 0x0f, 4), + PMC_POWERPC_EVENT(PMON_EXCEPT, 0x0f, 5), + PMC_POWERPC_EVENT(PMON_SIG, 0x0f, 7), + PMC_POWERPC_EVENT(VPU_INSTR_COMPLETED, 0x03, 8), + PMC_POWERPC_EVENT(VFPU_INSTR_COMPLETED, 0x03, 9), + PMC_POWERPC_EVENT(VIU1_INSTR_COMPLETED, 0x03, 10), + PMC_POWERPC_EVENT(VIU2_INSTR_COMPLETED, 0x03, 11), + PMC_POWERPC_EVENT(MTVSCR_INSTR_COMPLETED, 0x03, 12), + PMC_POWERPC_EVENT(MTVRSAVE_INSTR_COMPLETED, 0x03, 13), + PMC_POWERPC_EVENT(VPU_INSTR_WAIT_CYCLES, 0x03, 14), + PMC_POWERPC_EVENT(VFPU_INSTR_WAIT_CYCLES, 0x03, 15), + PMC_POWERPC_EVENT(VIU1_INSTR_WAIT_CYCLES, 0x03, 16), + PMC_POWERPC_EVENT(VIU2_INSTR_WAIT_CYCLES, 0x03, 17), + PMC_POWERPC_EVENT(MFVSCR_SYNC_CYCLES, 0x03, 18), + PMC_POWERPC_EVENT(VSCR_SAT_SET, 0x03, 19), + PMC_POWERPC_EVENT(STORE_INSTR_COMPLETED, 0x03, 20), + PMC_POWERPC_EVENT(L1_INSTR_CACHE_MISSES, 0x03, 21), + PMC_POWERPC_EVENT(L1_DATA_SNOOPS, 0x03, 22), + PMC_POWERPC_EVENT(UNRESOLVED_BRANCHES, 0x01, 23), + PMC_POWERPC_EVENT(SPEC_BUFFER_CYCLES, 0x01, 24), + PMC_POWERPC_EVENT(BRANCH_UNIT_STALL_CYCLES, 0x01, 25), + PMC_POWERPC_EVENT(TRUE_BRANCH_TARGET_HITS, 0x01, 26), + PMC_POWERPC_EVENT(BRANCH_LINK_STAC_PREDICTED, 0x01, 27), + PMC_POWERPC_EVENT(GPR_ISSUE_QUEUE_DISPATCHES, 0x01, 28), + PMC_POWERPC_EVENT(CYCLES_THREE_INSTR_DISPATCHED, 0x01, 29), + PMC_POWERPC_EVENT(THRESHOLD_INSTR_QUEUE_ENTRIES_CYCLES, 0x01, 30), + PMC_POWERPC_EVENT(THRESHOLD_VEC_INSTR_QUEUE_ENTRIES_CYCLES, 0x01, 31), + PMC_POWERPC_EVENT(CYCLES_NO_COMPLETED_INSTRS, 0x01, 32), + PMC_POWERPC_EVENT(IU2_INSTR_COMPLETED, 0x01, 33), + PMC_POWERPC_EVENT(BRANCHES_COMPLETED, 0x01, 34), + PMC_POWERPC_EVENT(EIEIO_INSTR_COMPLETED, 0x01, 35), + PMC_POWERPC_EVENT(MTSPR_INSTR_COMPLETED, 0x01, 36), + PMC_POWERPC_EVENT(SC_INSTR_COMPLETED, 0x01, 37), + PMC_POWERPC_EVENT(LS_LM_COMPLETED, 0x01, 38), + PMC_POWERPC_EVENT(ITLB_HW_TABLE_SEARCH_CYCLES, 0x01, 39), + PMC_POWERPC_EVENT(DTLB_HW_SEARCH_CYCLES_OVER_THRESHOLD, 0x01, 40), + PMC_POWERPC_EVENT(L1_INSTR_CACHE_ACCESSES, 0x01, 41), + PMC_POWERPC_EVENT(INSTR_BKPT_MATCHES, 0x01, 42), + PMC_POWERPC_EVENT(L1_DATA_CACHE_LOAD_MISS_CYCLES_OVER_THRESHOLD, 0x01, 43), + PMC_POWERPC_EVENT(L1_DATA_SNOOP_HIT_ON_MODIFIED, 0x01, 44), + PMC_POWERPC_EVENT(LOAD_MISS_ALIAS, 0x01, 45), + PMC_POWERPC_EVENT(LOAD_MISS_ALIAS_ON_TOUCH, 0x01, 46), + PMC_POWERPC_EVENT(TOUCH_ALIAS, 0x01, 47), + PMC_POWERPC_EVENT(L1_DATA_SNOOP_HIT_CASTOUT_QUEUE, 0x01, 48), + PMC_POWERPC_EVENT(L1_DATA_SNOOP_HIT_CASTOUT, 0x01, 49), + PMC_POWERPC_EVENT(L1_DATA_SNOOP_HITS, 0x01, 50), + PMC_POWERPC_EVENT(WRITE_THROUGH_STORES, 0x01, 51), + PMC_POWERPC_EVENT(CACHE_INHIBITED_STORES, 0x01, 52), + PMC_POWERPC_EVENT(L1_DATA_LOAD_HIT, 0x01, 53), + PMC_POWERPC_EVENT(L1_DATA_TOUCH_HIT, 0x01, 54), + PMC_POWERPC_EVENT(L1_DATA_STORE_HIT, 0x01, 55), + PMC_POWERPC_EVENT(L1_DATA_TOTAL_HITS, 0x01, 56), + PMC_POWERPC_EVENT(DST_INSTR_DISPATCHED, 0x01, 57), + PMC_POWERPC_EVENT(REFRESHED_DSTS, 0x01, 58), + PMC_POWERPC_EVENT(SUCCESSFUL_DST_TABLE_SEARCHES, 0x01, 59), + PMC_POWERPC_EVENT(DSS_INSTR_COMPLETED, 0x01, 60), + PMC_POWERPC_EVENT(DST_STREAM_0_CACHE_LINE_FETCHES, 0x01, 61), + PMC_POWERPC_EVENT(VTQ_SUSPENDS_DUE_TO_CTX_CHANGE, 0x01, 62), + PMC_POWERPC_EVENT(VTQ_LINE_FETCH_HIT, 0x01, 63), + PMC_POWERPC_EVENT(VEC_LOAD_INSTR_COMPLETED, 0x01, 64), + PMC_POWERPC_EVENT(FP_STORE_INSTR_COMPLETED_IN_LSU, 0x01, 65), + PMC_POWERPC_EVENT(FPU_RENORMALIZATION, 0x01, 66), + PMC_POWERPC_EVENT(FPU_DENORMALIZATION, 0x01, 67), + PMC_POWERPC_EVENT(FP_STORE_CAUSES_STALL_IN_LSU, 0x01, 68), + PMC_POWERPC_EVENT(LD_ST_TRUE_ALIAS_STALL, 0x01, 70), + PMC_POWERPC_EVENT(LSU_INDEXED_ALIAS_STALL, 0x01, 71), + PMC_POWERPC_EVENT(LSU_ALIAS_VS_FSQ_WB0_WB1, 0x01, 72), + PMC_POWERPC_EVENT(LSU_ALIAS_VS_CSQ, 0x01, 73), + PMC_POWERPC_EVENT(LSU_LOAD_HIT_LINE_ALIAS_VS_CSQ0, 0x01, 74), + PMC_POWERPC_EVENT(LSU_LOAD_MISS_LINE_ALIAS_VS_CSQ0, 0x01, 75), + PMC_POWERPC_EVENT(LSU_TOUCH_LINE_ALIAS_VS_FSQ_WB0_WB1, 0x01, 76), + PMC_POWERPC_EVENT(LSU_TOUCH_ALIAS_VS_CSQ, 0x01, 77), + PMC_POWERPC_EVENT(LSU_LMQ_FULL_STALL, 0x01, 78), + PMC_POWERPC_EVENT(FP_LOAD_INSTR_COMPLETED_IN_LSU, 0x01, 79), + PMC_POWERPC_EVENT(FP_LOAD_SINGLE_INSTR_COMPLETED_IN_LSU, 0x01, 80), + PMC_POWERPC_EVENT(FP_LOAD_DOUBLE_COMPLETED_IN_LSU, 0x01, 81), + PMC_POWERPC_EVENT(LSU_RA_LATCH_STALL, 0x01, 82), + PMC_POWERPC_EVENT(LSU_LOAD_VS_STORE_QUEUE_ALIAS_STALL, 0x01, 83), + PMC_POWERPC_EVENT(LSU_LMQ_INDEX_ALIAS, 0x01, 84), + PMC_POWERPC_EVENT(LSU_STORE_QUEUE_INDEX_ALIAS, 0x01, 85), + PMC_POWERPC_EVENT(LSU_CSQ_FORWARDING, 0x01, 86), + PMC_POWERPC_EVENT(LSU_MISALIGNED_LOAD_FINISH, 0x01, 87), + PMC_POWERPC_EVENT(LSU_MISALIGN_STORE_COMPLETED, 0x01, 88), + PMC_POWERPC_EVENT(LSU_MISALIGN_STALL, 0x01, 89), + PMC_POWERPC_EVENT(FP_ONE_QUARTER_FPSCR_RENAMES_BUSY, 0x01, 90), + PMC_POWERPC_EVENT(FP_ONE_HALF_FPSCR_RENAMES_BUSY, 0x01, 91), + PMC_POWERPC_EVENT(FP_THREE_QUARTERS_FPSCR_RENAMES_BUSY, 0x01, 92), + PMC_POWERPC_EVENT(FP_ALL_FPSCR_RENAMES_BUSY, 0x01, 93), + PMC_POWERPC_EVENT(FP_DENORMALIZED_RESULT, 0x01, 94), + PMC_POWERPC_EVENT(L1_DATA_TOTAL_MISSES, 0x02, 23), + PMC_POWERPC_EVENT(DISPATCHES_TO_FPR_ISSUE_QUEUE, 0x02, 24), + PMC_POWERPC_EVENT(LSU_INSTR_COMPLETED, 0x02, 25), + PMC_POWERPC_EVENT(LOAD_INSTR_COMPLETED, 0x02, 26), + PMC_POWERPC_EVENT(SS_SM_INSTR_COMPLETED, 0x02, 27), + PMC_POWERPC_EVENT(TLBIE_INSTR_COMPLETED, 0x02, 28), + PMC_POWERPC_EVENT(LWARX_INSTR_COMPLETED, 0x02, 29), + PMC_POWERPC_EVENT(MFSPR_INSTR_COMPLETED, 0x02, 30), + PMC_POWERPC_EVENT(REFETCH_SERIALIZATION, 0x02, 31), + PMC_POWERPC_EVENT(COMPLETION_QUEUE_ENTRIES_OVER_THRESHOLD, 0x02, 32), + PMC_POWERPC_EVENT(CYCLES_ONE_INSTR_DISPATCHED, 0x02, 33), + PMC_POWERPC_EVENT(CYCLES_TWO_INSTR_COMPLETED, 0x02, 34), + PMC_POWERPC_EVENT(ITLB_NON_SPECULATIVE_MISSES, 0x02, 35), + PMC_POWERPC_EVENT(CYCLES_WAITING_FROM_L1_INSTR_CACHE_MISS, 0x02, 36), + PMC_POWERPC_EVENT(L1_DATA_LOAD_ACCESS_MISS, 0x02, 37), + PMC_POWERPC_EVENT(L1_DATA_TOUCH_MISS, 0x02, 38), + PMC_POWERPC_EVENT(L1_DATA_STORE_MISS, 0x02, 39), + PMC_POWERPC_EVENT(L1_DATA_TOUCH_MISS_CYCLES, 0x02, 40), + PMC_POWERPC_EVENT(L1_DATA_CYCLES_USED, 0x02, 41), + PMC_POWERPC_EVENT(DST_STREAM_1_CACHE_LINE_FETCHES, 0x02, 42), + PMC_POWERPC_EVENT(VTQ_STREAM_CANCELED_PREMATURELY, 0x02, 43), + PMC_POWERPC_EVENT(VTQ_RESUMES_DUE_TO_CTX_CHANGE, 0x02, 44), + PMC_POWERPC_EVENT(VTQ_LINE_FETCH_MISS, 0x02, 45), + PMC_POWERPC_EVENT(VTQ_LINE_FETCH, 0x02, 46), + PMC_POWERPC_EVENT(TLBIE_SNOOPS, 0x02, 47), + PMC_POWERPC_EVENT(L1_INSTR_CACHE_RELOADS, 0x02, 48), + PMC_POWERPC_EVENT(L1_DATA_CACHE_RELOADS, 0x02, 49), + PMC_POWERPC_EVENT(L1_DATA_CACHE_CASTOUTS_TO_L2, 0x02, 50), + PMC_POWERPC_EVENT(STORE_MERGE_GATHER, 0x02, 51), + PMC_POWERPC_EVENT(CACHEABLE_STORE_MERGE_TO_32_BYTES, 0x02, 52), + PMC_POWERPC_EVENT(DATA_BKPT_MATCHES, 0x02, 53), + PMC_POWERPC_EVENT(FALL_THROUGH_BRANCHES_PROCESSED, 0x02, 54), + PMC_POWERPC_EVENT(FIRST_SPECULATIVE_BRANCH_BUFFER_RESOLVED_CORRECTLY, 0x02, 55), + PMC_POWERPC_EVENT(SECOND_SPECULATION_BUFFER_ACTIVE, 0x02, 56), + PMC_POWERPC_EVENT(BPU_STALL_ON_LR_DEPENDENCY, 0x02, 57), + PMC_POWERPC_EVENT(BTIC_MISS, 0x02, 58), + PMC_POWERPC_EVENT(BRANCH_LINK_STACK_CORRECTLY_RESOLVED, 0x02, 59), + PMC_POWERPC_EVENT(FPR_ISSUE_STALLED, 0x02, 60), + PMC_POWERPC_EVENT(SWITCHES_BETWEEN_PRIV_USER, 0x02, 61), + PMC_POWERPC_EVENT(LSU_COMPLETES_FP_STORE_SINGLE, 0x02, 62), + PMC_POWERPC_EVENT(CYCLES_TWO_INSTR_COMPLETED, 0x04, 8), + PMC_POWERPC_EVENT(CYCLES_ONE_INSTR_DISPATCHED, 0x04, 9), + PMC_POWERPC_EVENT(VR_ISSUE_QUEUE_DISPATCHES, 0x04, 10), + PMC_POWERPC_EVENT(VR_STALLS, 0x04, 11), + PMC_POWERPC_EVENT(GPR_RENAME_BUFFER_ENTRIES_OVER_THRESHOLD, 0x04, 12), + PMC_POWERPC_EVENT(FPR_ISSUE_QUEUE_ENTRIES, 0x04, 13), + PMC_POWERPC_EVENT(FPU_INSTR_COMPLETED, 0x04, 14), + PMC_POWERPC_EVENT(STWCX_INSTR_COMPLETED, 0x04, 15), + PMC_POWERPC_EVENT(LS_LM_INSTR_PIECES, 0x04, 16), + PMC_POWERPC_EVENT(ITLB_HW_SEARCH_CYCLES_OVER_THRESHOLD, 0x04, 17), + PMC_POWERPC_EVENT(DTLB_MISSES, 0x04, 18), + PMC_POWERPC_EVENT(CANCELLED_L1_INSTR_CACHE_MISSES, 0x04, 19), + PMC_POWERPC_EVENT(L1_DATA_CACHE_OP_HIT, 0x04, 20), + PMC_POWERPC_EVENT(L1_DATA_LOAD_MISS_CYCLES, 0x04, 21), + PMC_POWERPC_EVENT(L1_DATA_PUSHES, 0x04, 22), + PMC_POWERPC_EVENT(L1_DATA_TOTAL_MISS, 0x04, 23), + PMC_POWERPC_EVENT(VT2_FETCHES, 0x04, 24), + PMC_POWERPC_EVENT(TAKEN_BRANCHES_PROCESSED, 0x04, 25), + PMC_POWERPC_EVENT(BRANCH_FLUSHES, 0x04, 26), + PMC_POWERPC_EVENT(SECOND_SPECULATIVE_BRANCH_BUFFER_RESOLVED_CORRECTLY, 0x04, 27), + PMC_POWERPC_EVENT(THIRD_SPECULATION_BUFFER_ACTIVE, 0x04, 28), + PMC_POWERPC_EVENT(BRANCH_UNIT_STALL_ON_CTR_DEPENDENCY, 0x04, 29), + PMC_POWERPC_EVENT(FAST_BTIC_HIT, 0x04, 30), + PMC_POWERPC_EVENT(BRANCH_LINK_STACK_MISPREDICTED, 0x04, 31), + PMC_POWERPC_EVENT(CYCLES_THREE_INSTR_COMPLETED, 0x08, 14), + PMC_POWERPC_EVENT(CYCLES_NO_INSTR_DISPATCHED, 0x08, 15), + PMC_POWERPC_EVENT(GPR_ISSUE_QUEUE_ENTRIES_OVER_THRESHOLD, 0x08, 16), + PMC_POWERPC_EVENT(GPR_ISSUE_QUEUE_STALLED, 0x08, 17), + PMC_POWERPC_EVENT(IU1_INSTR_COMPLETED, 0x08, 18), + PMC_POWERPC_EVENT(DSSALL_INSTR_COMPLETED, 0x08, 19), + PMC_POWERPC_EVENT(TLBSYNC_INSTR_COMPLETED, 0x08, 20), + PMC_POWERPC_EVENT(SYNC_INSTR_COMPLETED, 0x08, 21), + PMC_POWERPC_EVENT(SS_SM_INSTR_PIECES, 0x08, 22), + PMC_POWERPC_EVENT(DTLB_HW_SEARCH_CYCLES, 0x08, 23), + PMC_POWERPC_EVENT(SNOOP_RETRIES, 0x08, 24), + PMC_POWERPC_EVENT(SUCCESSFUL_STWCX, 0x08, 25), + PMC_POWERPC_EVENT(DST_STREAM_3_CACHE_LINE_FETCHES, 0x08, 26), + PMC_POWERPC_EVENT(THIRD_SPECULATIVE_BRANCH_BUFFER_RESOLVED_CORRECTLY, 0x08, 27), + PMC_POWERPC_EVENT(MISPREDICTED_BRANCHES, 0x08, 28), + PMC_POWERPC_EVENT(FOLDED_BRANCHES, 0x08, 29), + PMC_POWERPC_EVENT(FP_STORE_DOUBLE_COMPLETES_IN_LSU, 0x08, 30), + PMC_POWERPC_EVENT(L2_CACHE_HITS, 0x30, 2), + PMC_POWERPC_EVENT(L3_CACHE_HITS, 0x30, 3), + PMC_POWERPC_EVENT(L2_INSTR_CACHE_MISSES, 0x30, 4), + PMC_POWERPC_EVENT(L3_INSTR_CACHE_MISSES, 0x30, 5), + PMC_POWERPC_EVENT(L2_DATA_CACHE_MISSES, 0x30, 6), + PMC_POWERPC_EVENT(L3_DATA_CACHE_MISSES, 0x30, 7), + PMC_POWERPC_EVENT(L2_LOAD_HITS, 0x10, 8), + PMC_POWERPC_EVENT(L2_STORE_HITS, 0x10, 9), + PMC_POWERPC_EVENT(L3_LOAD_HITS, 0x10, 10), + PMC_POWERPC_EVENT(L3_STORE_HITS, 0x10, 11), + PMC_POWERPC_EVENT(L2_TOUCH_HITS, 0x30, 13), + PMC_POWERPC_EVENT(L3_TOUCH_HITS, 0x30, 14), + PMC_POWERPC_EVENT(SNOOP_RETRIES, 0x30, 15), + PMC_POWERPC_EVENT(SNOOP_MODIFIED, 0x10, 16), + PMC_POWERPC_EVENT(SNOOP_VALID, 0x10, 17), + PMC_POWERPC_EVENT(INTERVENTION, 0x30, 18), + PMC_POWERPC_EVENT(L2_CACHE_MISSES, 0x10, 19), + PMC_POWERPC_EVENT(L3_CACHE_MISSES, 0x10, 20), + PMC_POWERPC_EVENT(L2_CACHE_CASTOUTS, 0x20, 8), + PMC_POWERPC_EVENT(L3_CACHE_CASTOUTS, 0x20, 9), + PMC_POWERPC_EVENT(L2SQ_FULL_CYCLES, 0x20, 10), + PMC_POWERPC_EVENT(L3SQ_FULL_CYCLES, 0x20, 11), + PMC_POWERPC_EVENT(RAQ_FULL_CYCLES, 0x20, 16), + PMC_POWERPC_EVENT(WAQ_FULL_CYCLES, 0x20, 17), + PMC_POWERPC_EVENT(L1_EXTERNAL_INTERVENTIONS, 0x20, 19), + PMC_POWERPC_EVENT(L2_EXTERNAL_INTERVENTIONS, 0x20, 20), + PMC_POWERPC_EVENT(L3_EXTERNAL_INTERVENTIONS, 0x20, 21), + PMC_POWERPC_EVENT(EXTERNAL_INTERVENTIONS, 0x20, 22), + PMC_POWERPC_EVENT(EXTERNAL_PUSHES, 0x20, 23), + PMC_POWERPC_EVENT(EXTERNAL_SNOOP_RETRY, 0x20, 24), + PMC_POWERPC_EVENT(DTQ_FULL_CYCLES, 0x20, 25), + PMC_POWERPC_EVENT(BUS_RETRY, 0x20, 26), + PMC_POWERPC_EVENT(L2_VALID_REQUEST, 0x20, 27), + PMC_POWERPC_EVENT(BORDQ_FULL, 0x20, 28), + PMC_POWERPC_EVENT(BUS_TAS_FOR_READS, 0x20, 42), + PMC_POWERPC_EVENT(BUS_TAS_FOR_WRITES, 0x20, 43), + PMC_POWERPC_EVENT(BUS_READS_NOT_RETRIED, 0x20, 44), + PMC_POWERPC_EVENT(BUS_WRITES_NOT_RETRIED, 0x20, 45), + PMC_POWERPC_EVENT(BUS_READS_WRITES_NOT_RETRIED, 0x20, 46), + PMC_POWERPC_EVENT(BUS_RETRY_DUE_TO_L1_RETRY, 0x20, 47), + PMC_POWERPC_EVENT(BUS_RETRY_DUE_TO_PREVIOUS_ADJACENT, 0x20, 48), + PMC_POWERPC_EVENT(BUS_RETRY_DUE_TO_COLLISION, 0x20, 49), + PMC_POWERPC_EVENT(BUS_RETRY_DUE_TO_INTERVENTION_ORDERING, 0x20, 50), + PMC_POWERPC_EVENT(SNOOP_REQUESTS, 0x20, 51), + PMC_POWERPC_EVENT(PREFETCH_ENGINE_REQUEST, 0x20, 52), + PMC_POWERPC_EVENT(PREFETCH_ENGINE_COLLISION_VS_LOAD, 0x20, 53), + PMC_POWERPC_EVENT(PREFETCH_ENGINE_COLLISION_VS_STORE, 0x20, 54), + PMC_POWERPC_EVENT(PREFETCH_ENGINE_COLLISION_VS_INSTR_FETCH, 0x20, 55), + PMC_POWERPC_EVENT(PREFETCH_ENGINE_COLLISION_VS_LOAD_STORE_INSTR_FETCH, 0x20, 56), + PMC_POWERPC_EVENT(PREFETCH_ENGINE_FULL, 0x20, 57) +}; + +const size_t powerpc_event_codes_size = + sizeof(powerpc_event_codes) / sizeof(powerpc_event_codes[0]); int pmc_save_kernel_callchain(uintptr_t *cc, int maxsamples, @@ -55,6 +333,515 @@ pmc_save_kernel_callchain(uintptr_t *cc, return (0); } +static pmc_value_t +powerpc_pmcn_read(unsigned int pmc) +{ + switch (pmc) { + case 0: + return mfspr(SPR_PMC1); + break; + case 1: + return mfspr(SPR_PMC2); + break; + case 2: + return mfspr(SPR_PMC3); + break; + case 3: + return mfspr(SPR_PMC4); + break; + case 4: + return mfspr(SPR_PMC5); + break; + case 5: + return mfspr(SPR_PMC6); + default: + panic("Invalid PMC number: %d\n", pmc); + } +} + +static void +powerpc_pmcn_write(unsigned int pmc, uint32_t val) +{ + switch (pmc) { + case 0: + mtspr(SPR_PMC1, val); + break; + case 1: + mtspr(SPR_PMC2, val); + break; + case 2: + mtspr(SPR_PMC3, val); + break; + case 3: + mtspr(SPR_PMC4, val); + break; + case 4: + mtspr(SPR_PMC5, val); + break; + case 5: + mtspr(SPR_PMC6, val); + break; + default: + panic("Invalid PMC number: %d\n", pmc); + } +} + +static int +powerpc_allocate_pmc(int cpu, int ri, struct pmc *pm, + const struct pmc_op_pmcallocate *a) +{ + enum pmc_event pe; + uint32_t caps, config, counter; + int i; + + KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), + ("[powerpc,%d] illegal CPU value %d", __LINE__, cpu)); + KASSERT(ri >= 0 && ri < PPC_MAX_PMCS, + ("[powerpc,%d] illegal row index %d", __LINE__, ri)); + + caps = a->pm_caps; + + /* + * TODO: Check actual class for different generations. + */ + if (a->pm_class != PMC_CLASS_PPC7450) + return (EINVAL); + pe = a->pm_ev; + for (i = 0; i < powerpc_event_codes_size; i++) { + if (powerpc_event_codes[i].pe_ev == pe) { + config = powerpc_event_codes[i].pe_code; + counter = powerpc_event_codes[i].pe_counter_mask; + break; + } + } + if (i == powerpc_event_codes_size) + return (EINVAL); + + if ((counter & (1 << ri)) == 0) + return (EINVAL); + + if (caps & PMC_CAP_SYSTEM) + config |= POWERPC_PMC_KERNEL_ENABLE; + if (caps & PMC_CAP_USER) + config |= POWERPC_PMC_USER_ENABLE; + if ((caps & (PMC_CAP_USER | PMC_CAP_SYSTEM)) == 0) + config |= POWERPC_PMC_ENABLE; + + pm->pm_md.pm_powerpc.pm_powerpc_evsel = config; + + PMCDBG(MDP,ALL,2,"powerpc-allocate ri=%d -> config=0x%x", ri, config); + + return 0; +} + +static int +powerpc_read_pmc(int cpu, int ri, pmc_value_t *v) +{ + struct pmc *pm; + pmc_value_t tmp; + + KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), + ("[powerpc,%d] illegal CPU value %d", __LINE__, cpu)); + KASSERT(ri >= 0 && ri < PPC_MAX_PMCS, + ("[powerpc,%d] illegal row index %d", __LINE__, ri)); + + pm = powerpc_pcpu[cpu]->pc_ppcpmcs[ri].phw_pmc; + tmp = powerpc_pmcn_read(ri); + PMCDBG(MDP,REA,2,"ppc-read id=%d -> %jd", ri, tmp); + if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm))) + *v = POWERPC_PERFCTR_VALUE_TO_RELOAD_COUNT(tmp); + else + *v = tmp; + + return 0; +} + +static int +powerpc_write_pmc(int cpu, int ri, pmc_value_t v) +{ + struct pmc *pm; + + KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), + ("[powerpc,%d] illegal CPU value %d", __LINE__, cpu)); + KASSERT(ri >= 0 && ri < PPC_MAX_PMCS, + ("[powerpc,%d] illegal row-index %d", __LINE__, ri)); + + pm = powerpc_pcpu[cpu]->pc_ppcpmcs[ri].phw_pmc; + + if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm))) + v = POWERPC_RELOAD_COUNT_TO_PERFCTR_VALUE(v); + + PMCDBG(MDP,WRI,1,"powerpc-write cpu=%d ri=%d v=%jx", cpu, ri, v); + + powerpc_pmcn_write(ri, v); + + return 0; +} + +static int +powerpc_config_pmc(int cpu, int ri, struct pmc *pm) +{ + struct pmc_hw *phw; + + PMCDBG(MDP,CFG,1, "cpu=%d ri=%d pm=%p", cpu, ri, pm); + + KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), + ("[powerpc,%d] illegal CPU value %d", __LINE__, cpu)); + KASSERT(ri >= 0 && ri < PPC_MAX_PMCS, + ("[powerpc,%d] illegal row-index %d", __LINE__, ri)); + + phw = &powerpc_pcpu[cpu]->pc_ppcpmcs[ri]; + + KASSERT(pm == NULL || phw->phw_pmc == NULL, + ("[powerpc,%d] pm=%p phw->pm=%p hwpmc not unconfigured", + __LINE__, pm, phw->phw_pmc)); + + phw->phw_pmc = pm; + + return 0; +} + +static int +powerpc_start_pmc(int cpu, int ri) +{ + uint32_t config; + struct pmc *pm; + struct pmc_hw *phw; + register_t pmc_mmcr; + + phw = &powerpc_pcpu[cpu]->pc_ppcpmcs[ri]; + pm = phw->phw_pmc; + config = pm->pm_md.pm_powerpc.pm_powerpc_evsel & ~POWERPC_PMC_ENABLE; + + /* Enable the PMC. */ + switch (ri) { + case 0: + pmc_mmcr = mfspr(SPR_MMCR0); + pmc_mmcr = PPC_SET_PMC1SEL(pmc_mmcr, config); + mtspr(SPR_MMCR0, pmc_mmcr); + break; + case 1: + pmc_mmcr = mfspr(SPR_MMCR0); + pmc_mmcr = PPC_SET_PMC2SEL(pmc_mmcr, config); + mtspr(SPR_MMCR0, pmc_mmcr); + break; + case 2: + pmc_mmcr = mfspr(SPR_MMCR1); + pmc_mmcr = PPC_SET_PMC3SEL(pmc_mmcr, config); + mtspr(SPR_MMCR1, pmc_mmcr); + break; + case 3: + pmc_mmcr = mfspr(SPR_MMCR0); + pmc_mmcr = PPC_SET_PMC4SEL(pmc_mmcr, config); + mtspr(SPR_MMCR0, pmc_mmcr); + break; + case 4: + pmc_mmcr = mfspr(SPR_MMCR1); + pmc_mmcr = PPC_SET_PMC5SEL(pmc_mmcr, config); + mtspr(SPR_MMCR1, pmc_mmcr); + break; + case 5: + pmc_mmcr = mfspr(SPR_MMCR1); + pmc_mmcr = PPC_SET_PMC6SEL(pmc_mmcr, config); + mtspr(SPR_MMCR1, pmc_mmcr); + break; + default: + break; + } + + /* The mask is inverted (enable is 1) compared to the flags in MMCR0, which + * are Freeze flags. + */ + config = ~pm->pm_md.pm_powerpc.pm_powerpc_evsel & POWERPC_PMC_ENABLE; + + pmc_mmcr = mfspr(SPR_MMCR0); + pmc_mmcr &= ~SPR_MMCR0_FC; + pmc_mmcr |= config; + mtspr(SPR_MMCR0, pmc_mmcr); + + return 0; +} + +static int +powerpc_stop_pmc(int cpu, int ri) +{ + struct pmc *pm; + struct pmc_hw *phw; + register_t pmc_mmcr; + + phw = &powerpc_pcpu[cpu]->pc_ppcpmcs[ri]; + pm = phw->phw_pmc; + + /* + * Disable the PMCs. + */ + switch (ri) { + case 0: + pmc_mmcr = mfspr(SPR_MMCR0); + pmc_mmcr = PPC_SET_PMC1SEL(pmc_mmcr, 0); + mtspr(SPR_MMCR0, pmc_mmcr); + break; + case 1: + pmc_mmcr = mfspr(SPR_MMCR0); + pmc_mmcr = PPC_SET_PMC2SEL(pmc_mmcr, 0); + mtspr(SPR_MMCR0, pmc_mmcr); + break; + case 2: + pmc_mmcr = mfspr(SPR_MMCR1); + pmc_mmcr = PPC_SET_PMC3SEL(pmc_mmcr, 0); + mtspr(SPR_MMCR1, pmc_mmcr); + break; + case 3: + pmc_mmcr = mfspr(SPR_MMCR0); + pmc_mmcr = PPC_SET_PMC4SEL(pmc_mmcr, 0); + mtspr(SPR_MMCR0, pmc_mmcr); + break; + case 4: + pmc_mmcr = mfspr(SPR_MMCR1); + pmc_mmcr = PPC_SET_PMC5SEL(pmc_mmcr, 0); + mtspr(SPR_MMCR1, pmc_mmcr); + break; + case 5: + pmc_mmcr = mfspr(SPR_MMCR1); + pmc_mmcr = PPC_SET_PMC6SEL(pmc_mmcr, 0); + mtspr(SPR_MMCR1, pmc_mmcr); + break; + default: + break; + } + return 0; +} + +static int +powerpc_release_pmc(int cpu, int ri, struct pmc *pmc) +{ + struct pmc_hw *phw; + + KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), + ("[powerpc,%d] illegal CPU value %d", __LINE__, cpu)); + KASSERT(ri >= 0 && ri < PPC_MAX_PMCS, + ("[powerpc,%d] illegal row-index %d", __LINE__, ri)); + + phw = &powerpc_pcpu[cpu]->pc_ppcpmcs[ri]; + KASSERT(phw->phw_pmc == NULL, + ("[powerpc,%d] PHW pmc %p non-NULL", __LINE__, phw->phw_pmc)); + + return 0; +} + +static int +powerpc_switch_in(struct pmc_cpu *pc, struct pmc_process *pp) +{ + return 0; +} + +static int +powerpc_switch_out(struct pmc_cpu *pc, struct pmc_process *pp) +{ + return 0; +} + +static int +powerpc_intr(int cpu, struct trapframe *tf) +{ + int i, error, retval; + uint32_t config; + struct pmc *pm; + struct powerpc_cpu *pac; + pmc_value_t v; + + KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), + ("[powerpc,%d] out of range CPU %d", __LINE__, cpu)); + + PMCDBG(MDP,INT,1, "cpu=%d tf=%p um=%d", cpu, (void *) tf, + TRAPF_USERMODE(tf)); + + retval = 0; + + pac = powerpc_pcpu[cpu]; + + /* + * look for all PMCs that have interrupted: + * - look for a running, sampling PMC which has overflowed + * and which has a valid 'struct pmc' association + * + * If found, we call a helper to process the interrupt. + */ + + for (i = 0; i < PPC_MAX_PMCS; i++) { + if ((pm = pac->pc_ppcpmcs[i].phw_pmc) == NULL || + !PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm))) { + continue; + } + + if (!POWERPC_PMC_HAS_OVERFLOWED(i)) + continue; + + retval = 1; /* Found an interrupting PMC. */ + + if (pm->pm_state != PMC_STATE_RUNNING) + continue; + + /* Stop the PMC, reload count. */ + v = pm->pm_sc.pm_reloadcount; + config = mfspr(SPR_MMCR0); + + mtspr(SPR_MMCR0, config | SPR_MMCR0_FC); + powerpc_pmcn_write(i, v); + + /* Restart the counter if logging succeeded. */ + error = pmc_process_interrupt(cpu, pm, tf, TRAPF_USERMODE(tf)); + mtspr(SPR_MMCR0, config); + if (error != 0) + powerpc_stop_pmc(cpu, i); + atomic_add_int(retval ? &pmc_stats.pm_intr_processed : + &pmc_stats.pm_intr_ignored, 1); + + } + + /* Re-enable PERF exceptions. */ + mtspr(SPR_MMCR0, mfspr(SPR_MMCR0) | SPR_MMCR0_PMXE); + + return (retval); +} + +static int +powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc) +{ + int error; + struct pmc_hw *phw; + char powerpc_name[PMC_NAME_MAX]; + + KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), + ("[powerpc,%d], illegal CPU %d", __LINE__, cpu)); + KASSERT(ri >= 0 && ri < PPC_MAX_PMCS, + ("[powerpc,%d] row-index %d out of range", __LINE__, ri)); + + phw = &powerpc_pcpu[cpu]->pc_ppcpmcs[ri]; + snprintf(powerpc_name, sizeof(powerpc_name), "POWERPC-%d", ri); + if ((error = copystr(powerpc_name, pi->pm_name, PMC_NAME_MAX, + NULL)) != 0) + return error; + pi->pm_class = PMC_CLASS_PPC7450; + if (phw->phw_state & PMC_PHW_FLAG_IS_ENABLED) { + pi->pm_enabled = TRUE; + *ppmc = phw->phw_pmc; + } else { + pi->pm_enabled = FALSE; + *ppmc = NULL; + } + + return (0); +} + +static int +powerpc_get_config(int cpu, int ri, struct pmc **ppm) +{ + *ppm = powerpc_pcpu[cpu]->pc_ppcpmcs[ri].phw_pmc; + + return 0; +} + +static int +powerpc_pcpu_init(struct pmc_mdep *md, int cpu) +{ + int first_ri, i; + struct pmc_cpu *pc; + struct powerpc_cpu *pac; + struct pmc_hw *phw; + + KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), + ("[powerpc,%d] wrong cpu number %d", __LINE__, cpu)); + PMCDBG(MDP,INI,1,"powerpc-init cpu=%d", cpu); + + powerpc_pcpu[cpu] = pac = malloc(sizeof(struct powerpc_cpu), M_PMC, + M_WAITOK|M_ZERO); + pac->pc_ppcpmcs = malloc(sizeof(struct pmc_hw) * PPC_MAX_PMCS, + M_PMC, M_WAITOK|M_ZERO); + pc = pmc_pcpu[cpu]; + first_ri = md->pmd_classdep[PMC_MDEP_CLASS_INDEX_PPC7450].pcd_ri; + KASSERT(pc != NULL, ("[powerpc,%d] NULL per-cpu pointer", __LINE__)); + + for (i = 0, phw = pac->pc_ppcpmcs; i < PPC_MAX_PMCS; i++, phw++) { + phw->phw_state = PMC_PHW_FLAG_IS_ENABLED | + PMC_PHW_CPU_TO_STATE(cpu) | PMC_PHW_INDEX_TO_STATE(i); + phw->phw_pmc = NULL; + pc->pc_hwpmcs[i + first_ri] = phw; + } + + /* Clear the MMCRs, and set FC, to disable all PMCs. */ + mtspr(SPR_MMCR0, SPR_MMCR0_FC | SPR_MMCR0_PMXE | SPR_MMCR0_PMC1CE | SPR_MMCR0_PMCNCE); + mtspr(SPR_MMCR1, 0); + + return 0; +} + +static int +powerpc_pcpu_fini(struct pmc_mdep *md, int cpu) +{ + uint32_t mmcr0 = mfspr(SPR_MMCR0); + + mmcr0 |= SPR_MMCR0_FC; + mtspr(SPR_MMCR0, mmcr0); + free(powerpc_pcpu[cpu]->pc_ppcpmcs, M_PMC); + free(powerpc_pcpu[cpu], M_PMC); + return 0; +} + +struct pmc_mdep * +pmc_md_initialize() +{ + struct pmc_mdep *pmc_mdep; + struct pmc_classdep *pcd; + + /* + * Allocate space for pointers to PMC HW descriptors and for + * the MDEP structure used by MI code. + */ + powerpc_pcpu = malloc(sizeof(struct powerpc_cpu *) * pmc_cpu_max(), M_PMC, + M_WAITOK|M_ZERO); + + /* Just one class */ + pmc_mdep = malloc(sizeof(struct pmc_mdep) + sizeof(struct pmc_classdep), + M_PMC, M_WAITOK|M_ZERO); + + pmc_mdep->pmd_cputype = PMC_CPU_PPC_7450; + pmc_mdep->pmd_nclass = 1; + + pcd = &pmc_mdep->pmd_classdep[PMC_MDEP_CLASS_INDEX_PPC7450]; + pcd->pcd_caps = POWERPC_PMC_CAPS; + pcd->pcd_class = PMC_CLASS_PPC7450; + pcd->pcd_num = PPC_MAX_PMCS; + pcd->pcd_ri = pmc_mdep->pmd_npmc; + pcd->pcd_width = 32; /* All PMCs, even in ppc970, are 32-bit */ + + pcd->pcd_allocate_pmc = powerpc_allocate_pmc; + pcd->pcd_config_pmc = powerpc_config_pmc; + pcd->pcd_pcpu_fini = powerpc_pcpu_fini; + pcd->pcd_pcpu_init = powerpc_pcpu_init; + pcd->pcd_describe = powerpc_describe; + pcd->pcd_get_config = powerpc_get_config; + pcd->pcd_read_pmc = powerpc_read_pmc; + pcd->pcd_release_pmc = powerpc_release_pmc; + pcd->pcd_start_pmc = powerpc_start_pmc; + pcd->pcd_stop_pmc = powerpc_stop_pmc; + pcd->pcd_write_pmc = powerpc_write_pmc; + + pmc_mdep->pmd_intr = powerpc_intr; + pmc_mdep->pmd_switch_in = powerpc_switch_in; + pmc_mdep->pmd_switch_out = powerpc_switch_out; + + pmc_mdep->pmd_npmc += PPC_MAX_PMCS; + + return (pmc_mdep); +} + +void +pmc_md_finalize(struct pmc_mdep *md) +{ + free(md, M_PMC); +} + int pmc_save_user_callchain(uintptr_t *cc, int maxsamples, struct trapframe *tf) Modified: stable/9/sys/dev/hwpmc/pmc_events.h ============================================================================== --- stable/9/sys/dev/hwpmc/pmc_events.h Wed Jan 18 11:23:46 2012 (r230304) +++ stable/9/sys/dev/hwpmc/pmc_events.h Wed Jan 18 11:48:07 2012 (r230305) @@ -3093,6 +3093,231 @@ __PMC_EV_ALIAS("CYCLES_UNHALTED_L3_FLL_D #define PMC_EV_MIPS24K_FIRST PMC_EV_MIPS24K_CYCLE #define PMC_EV_MIPS24K_LAST PMC_EV_MIPS24K_WBB_FULL_PIPELINE_STALLS +#define __PMC_EV_PPC7450() \ + __PMC_EV(PPC7450, CYCLE) \ + __PMC_EV(PPC7450, INSTR_COMPLETED) \ + __PMC_EV(PPC7450, TLB_BIT_TRANSITIONS) \ + __PMC_EV(PPC7450, INSTR_DISPATCHED) \ + __PMC_EV(PPC7450, PMON_EXCEPT) \ + __PMC_EV(PPC7450, PMON_SIG) \ + __PMC_EV(PPC7450, VPU_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, VFPU_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, VIU1_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, VIU2_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, MTVSCR_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, MTVRSAVE_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, VPU_INSTR_WAIT_CYCLES) \ + __PMC_EV(PPC7450, VFPU_INSTR_WAIT_CYCLES) \ + __PMC_EV(PPC7450, VIU1_INSTR_WAIT_CYCLES) \ + __PMC_EV(PPC7450, VIU2_INSTR_WAIT_CYCLES) \ + __PMC_EV(PPC7450, MFVSCR_SYNC_CYCLES) \ + __PMC_EV(PPC7450, VSCR_SAT_SET) \ + __PMC_EV(PPC7450, STORE_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, L1_INSTR_CACHE_MISSES) \ + __PMC_EV(PPC7450, L1_DATA_SNOOPS) \ + __PMC_EV(PPC7450, UNRESOLVED_BRANCHES) \ + __PMC_EV(PPC7450, SPEC_BUFFER_CYCLES) \ + __PMC_EV(PPC7450, BRANCH_UNIT_STALL_CYCLES) \ + __PMC_EV(PPC7450, TRUE_BRANCH_TARGET_HITS) \ + __PMC_EV(PPC7450, BRANCH_LINK_STAC_PREDICTED) \ + __PMC_EV(PPC7450, GPR_ISSUE_QUEUE_DISPATCHES) \ + __PMC_EV(PPC7450, CYCLES_THREE_INSTR_DISPATCHED) \ + __PMC_EV(PPC7450, THRESHOLD_INSTR_QUEUE_ENTRIES_CYCLES) \ + __PMC_EV(PPC7450, THRESHOLD_VEC_INSTR_QUEUE_ENTRIES_CYCLES) \ + __PMC_EV(PPC7450, CYCLES_NO_COMPLETED_INSTRS) \ + __PMC_EV(PPC7450, IU2_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, BRANCHES_COMPLETED) \ + __PMC_EV(PPC7450, EIEIO_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, MTSPR_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, SC_INSTR_COMPLETED) \ + __PMC_EV(PPC7450, LS_LM_COMPLETED) \ + __PMC_EV(PPC7450, ITLB_HW_TABLE_SEARCH_CYCLES) \ + __PMC_EV(PPC7450, DTLB_HW_SEARCH_CYCLES_OVER_THRESHOLD) \ + __PMC_EV(PPC7450, L1_INSTR_CACHE_ACCESSES) \ + __PMC_EV(PPC7450, INSTR_BKPT_MATCHES) \ *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***