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-rw-r--r--arch/powerpc/kernel/power5+-pmu.c690
1 files changed, 0 insertions, 690 deletions
diff --git a/arch/powerpc/kernel/power5+-pmu.c b/arch/powerpc/kernel/power5+-pmu.c
deleted file mode 100644
index a8757baa28f..00000000000
--- a/arch/powerpc/kernel/power5+-pmu.c
+++ /dev/null
@@ -1,690 +0,0 @@
-/*
- * Performance counter support for POWER5+/++ (not POWER5) processors.
- *
- * Copyright 2009 Paul Mackerras, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <linux/kernel.h>
-#include <linux/perf_event.h>
-#include <linux/string.h>
-#include <asm/reg.h>
-#include <asm/cputable.h>
-
-/*
- * Bits in event code for POWER5+ (POWER5 GS) and POWER5++ (POWER5 GS DD3)
- */
-#define PM_PMC_SH 20 /* PMC number (1-based) for direct events */
-#define PM_PMC_MSK 0xf
-#define PM_PMC_MSKS (PM_PMC_MSK << PM_PMC_SH)
-#define PM_UNIT_SH 16 /* TTMMUX number and setting - unit select */
-#define PM_UNIT_MSK 0xf
-#define PM_BYTE_SH 12 /* Byte number of event bus to use */
-#define PM_BYTE_MSK 7
-#define PM_GRS_SH 8 /* Storage subsystem mux select */
-#define PM_GRS_MSK 7
-#define PM_BUSEVENT_MSK 0x80 /* Set if event uses event bus */
-#define PM_PMCSEL_MSK 0x7f
-
-/* Values in PM_UNIT field */
-#define PM_FPU 0
-#define PM_ISU0 1
-#define PM_IFU 2
-#define PM_ISU1 3
-#define PM_IDU 4
-#define PM_ISU0_ALT 6
-#define PM_GRS 7
-#define PM_LSU0 8
-#define PM_LSU1 0xc
-#define PM_LASTUNIT 0xc
-
-/*
- * Bits in MMCR1 for POWER5+
- */
-#define MMCR1_TTM0SEL_SH 62
-#define MMCR1_TTM1SEL_SH 60
-#define MMCR1_TTM2SEL_SH 58
-#define MMCR1_TTM3SEL_SH 56
-#define MMCR1_TTMSEL_MSK 3
-#define MMCR1_TD_CP_DBG0SEL_SH 54
-#define MMCR1_TD_CP_DBG1SEL_SH 52
-#define MMCR1_TD_CP_DBG2SEL_SH 50
-#define MMCR1_TD_CP_DBG3SEL_SH 48
-#define MMCR1_GRS_L2SEL_SH 46
-#define MMCR1_GRS_L2SEL_MSK 3
-#define MMCR1_GRS_L3SEL_SH 44
-#define MMCR1_GRS_L3SEL_MSK 3
-#define MMCR1_GRS_MCSEL_SH 41
-#define MMCR1_GRS_MCSEL_MSK 7
-#define MMCR1_GRS_FABSEL_SH 39
-#define MMCR1_GRS_FABSEL_MSK 3
-#define MMCR1_PMC1_ADDER_SEL_SH 35
-#define MMCR1_PMC2_ADDER_SEL_SH 34
-#define MMCR1_PMC3_ADDER_SEL_SH 33
-#define MMCR1_PMC4_ADDER_SEL_SH 32
-#define MMCR1_PMC1SEL_SH 25
-#define MMCR1_PMC2SEL_SH 17
-#define MMCR1_PMC3SEL_SH 9
-#define MMCR1_PMC4SEL_SH 1
-#define MMCR1_PMCSEL_SH(n) (MMCR1_PMC1SEL_SH - (n) * 8)
-#define MMCR1_PMCSEL_MSK 0x7f
-
-/*
- * Layout of constraint bits:
- * 6666555555555544444444443333333333222222222211111111110000000000
- * 3210987654321098765432109876543210987654321098765432109876543210
- * [ ><><>< ><> <><>[ > < >< >< >< ><><><><><><>
- * NC G0G1G2 G3 T0T1 UC B0 B1 B2 B3 P6P5P4P3P2P1
- *
- * NC - number of counters
- * 51: NC error 0x0008_0000_0000_0000
- * 48-50: number of events needing PMC1-4 0x0007_0000_0000_0000
- *
- * G0..G3 - GRS mux constraints
- * 46-47: GRS_L2SEL value
- * 44-45: GRS_L3SEL value
- * 41-44: GRS_MCSEL value
- * 39-40: GRS_FABSEL value
- * Note that these match up with their bit positions in MMCR1
- *
- * T0 - TTM0 constraint
- * 36-37: TTM0SEL value (0=FPU, 2=IFU, 3=ISU1) 0x30_0000_0000
- *
- * T1 - TTM1 constraint
- * 34-35: TTM1SEL value (0=IDU, 3=GRS) 0x0c_0000_0000
- *
- * UC - unit constraint: can't have all three of FPU|IFU|ISU1, ISU0, IDU|GRS
- * 33: UC3 error 0x02_0000_0000
- * 32: FPU|IFU|ISU1 events needed 0x01_0000_0000
- * 31: ISU0 events needed 0x01_8000_0000
- * 30: IDU|GRS events needed 0x00_4000_0000
- *
- * B0
- * 24-27: Byte 0 event source 0x0f00_0000
- * Encoding as for the event code
- *
- * B1, B2, B3
- * 20-23, 16-19, 12-15: Byte 1, 2, 3 event sources
- *
- * P6
- * 11: P6 error 0x800
- * 10-11: Count of events needing PMC6
- *
- * P1..P5
- * 0-9: Count of events needing PMC1..PMC5
- */
-
-static const int grsel_shift[8] = {
- MMCR1_GRS_L2SEL_SH, MMCR1_GRS_L2SEL_SH, MMCR1_GRS_L2SEL_SH,
- MMCR1_GRS_L3SEL_SH, MMCR1_GRS_L3SEL_SH, MMCR1_GRS_L3SEL_SH,
- MMCR1_GRS_MCSEL_SH, MMCR1_GRS_FABSEL_SH
-};
-
-/* Masks and values for using events from the various units */
-static unsigned long unit_cons[PM_LASTUNIT+1][2] = {
- [PM_FPU] = { 0x3200000000ul, 0x0100000000ul },
- [PM_ISU0] = { 0x0200000000ul, 0x0080000000ul },
- [PM_ISU1] = { 0x3200000000ul, 0x3100000000ul },
- [PM_IFU] = { 0x3200000000ul, 0x2100000000ul },
- [PM_IDU] = { 0x0e00000000ul, 0x0040000000ul },
- [PM_GRS] = { 0x0e00000000ul, 0x0c40000000ul },
-};
-
-static int power5p_get_constraint(u64 event, unsigned long *maskp,
- unsigned long *valp)
-{
- int pmc, byte, unit, sh;
- int bit, fmask;
- unsigned long mask = 0, value = 0;
-
- pmc = (event >> PM_PMC_SH) & PM_PMC_MSK;
- if (pmc) {
- if (pmc > 6)
- return -1;
- sh = (pmc - 1) * 2;
- mask |= 2 << sh;
- value |= 1 << sh;
- if (pmc >= 5 && !(event == 0x500009 || event == 0x600005))
- return -1;
- }
- if (event & PM_BUSEVENT_MSK) {
- unit = (event >> PM_UNIT_SH) & PM_UNIT_MSK;
- if (unit > PM_LASTUNIT)
- return -1;
- if (unit == PM_ISU0_ALT)
- unit = PM_ISU0;
- mask |= unit_cons[unit][0];
- value |= unit_cons[unit][1];
- byte = (event >> PM_BYTE_SH) & PM_BYTE_MSK;
- if (byte >= 4) {
- if (unit != PM_LSU1)
- return -1;
- /* Map LSU1 low word (bytes 4-7) to unit LSU1+1 */
- ++unit;
- byte &= 3;
- }
- if (unit == PM_GRS) {
- bit = event & 7;
- fmask = (bit == 6)? 7: 3;
- sh = grsel_shift[bit];
- mask |= (unsigned long)fmask << sh;
- value |= (unsigned long)((event >> PM_GRS_SH) & fmask)
- << sh;
- }
- /* Set byte lane select field */
- mask |= 0xfUL << (24 - 4 * byte);
- value |= (unsigned long)unit << (24 - 4 * byte);
- }
- if (pmc < 5) {
- /* need a counter from PMC1-4 set */
- mask |= 0x8000000000000ul;
- value |= 0x1000000000000ul;
- }
- *maskp = mask;
- *valp = value;
- return 0;
-}
-
-static int power5p_limited_pmc_event(u64 event)
-{
- int pmc = (event >> PM_PMC_SH) & PM_PMC_MSK;
-
- return pmc == 5 || pmc == 6;
-}
-
-#define MAX_ALT 3 /* at most 3 alternatives for any event */
-
-static const unsigned int event_alternatives[][MAX_ALT] = {
- { 0x100c0, 0x40001f }, /* PM_GCT_FULL_CYC */
- { 0x120e4, 0x400002 }, /* PM_GRP_DISP_REJECT */
- { 0x230e2, 0x323087 }, /* PM_BR_PRED_CR */
- { 0x230e3, 0x223087, 0x3230a0 }, /* PM_BR_PRED_TA */
- { 0x410c7, 0x441084 }, /* PM_THRD_L2MISS_BOTH_CYC */
- { 0x800c4, 0xc20e0 }, /* PM_DTLB_MISS */
- { 0xc50c6, 0xc60e0 }, /* PM_MRK_DTLB_MISS */
- { 0x100005, 0x600005 }, /* PM_RUN_CYC */
- { 0x100009, 0x200009 }, /* PM_INST_CMPL */
- { 0x200015, 0x300015 }, /* PM_LSU_LMQ_SRQ_EMPTY_CYC */
- { 0x300009, 0x400009 }, /* PM_INST_DISP */
-};
-
-/*
- * Scan the alternatives table for a match and return the
- * index into the alternatives table if found, else -1.
- */
-static int find_alternative(unsigned int event)
-{
- int i, j;
-
- for (i = 0; i < ARRAY_SIZE(event_alternatives); ++i) {
- if (event < event_alternatives[i][0])
- break;
- for (j = 0; j < MAX_ALT && event_alternatives[i][j]; ++j)
- if (event == event_alternatives[i][j])
- return i;
- }
- return -1;
-}
-
-static const unsigned char bytedecode_alternatives[4][4] = {
- /* PMC 1 */ { 0x21, 0x23, 0x25, 0x27 },
- /* PMC 2 */ { 0x07, 0x17, 0x0e, 0x1e },
- /* PMC 3 */ { 0x20, 0x22, 0x24, 0x26 },
- /* PMC 4 */ { 0x07, 0x17, 0x0e, 0x1e }
-};
-
-/*
- * Some direct events for decodes of event bus byte 3 have alternative
- * PMCSEL values on other counters. This returns the alternative
- * event code for those that do, or -1 otherwise. This also handles
- * alternative PCMSEL values for add events.
- */
-static s64 find_alternative_bdecode(u64 event)
-{
- int pmc, altpmc, pp, j;
-
- pmc = (event >> PM_PMC_SH) & PM_PMC_MSK;
- if (pmc == 0 || pmc > 4)
- return -1;
- altpmc = 5 - pmc; /* 1 <-> 4, 2 <-> 3 */
- pp = event & PM_PMCSEL_MSK;
- for (j = 0; j < 4; ++j) {
- if (bytedecode_alternatives[pmc - 1][j] == pp) {
- return (event & ~(PM_PMC_MSKS | PM_PMCSEL_MSK)) |
- (altpmc << PM_PMC_SH) |
- bytedecode_alternatives[altpmc - 1][j];
- }
- }
-
- /* new decode alternatives for power5+ */
- if (pmc == 1 && (pp == 0x0d || pp == 0x0e))
- return event + (2 << PM_PMC_SH) + (0x2e - 0x0d);
- if (pmc == 3 && (pp == 0x2e || pp == 0x2f))
- return event - (2 << PM_PMC_SH) - (0x2e - 0x0d);
-
- /* alternative add event encodings */
- if (pp == 0x10 || pp == 0x28)
- return ((event ^ (0x10 ^ 0x28)) & ~PM_PMC_MSKS) |
- (altpmc << PM_PMC_SH);
-
- return -1;
-}
-
-static int power5p_get_alternatives(u64 event, unsigned int flags, u64 alt[])
-{
- int i, j, nalt = 1;
- int nlim;
- s64 ae;
-
- alt[0] = event;
- nalt = 1;
- nlim = power5p_limited_pmc_event(event);
- i = find_alternative(event);
- if (i >= 0) {
- for (j = 0; j < MAX_ALT; ++j) {
- ae = event_alternatives[i][j];
- if (ae && ae != event)
- alt[nalt++] = ae;
- nlim += power5p_limited_pmc_event(ae);
- }
- } else {
- ae = find_alternative_bdecode(event);
- if (ae > 0)
- alt[nalt++] = ae;
- }
-
- if (flags & PPMU_ONLY_COUNT_RUN) {
- /*
- * We're only counting in RUN state,
- * so PM_CYC is equivalent to PM_RUN_CYC
- * and PM_INST_CMPL === PM_RUN_INST_CMPL.
- * This doesn't include alternatives that don't provide
- * any extra flexibility in assigning PMCs (e.g.
- * 0x100005 for PM_RUN_CYC vs. 0xf for PM_CYC).
- * Note that even with these additional alternatives
- * we never end up with more than 3 alternatives for any event.
- */
- j = nalt;
- for (i = 0; i < nalt; ++i) {
- switch (alt[i]) {
- case 0xf: /* PM_CYC */
- alt[j++] = 0x600005; /* PM_RUN_CYC */
- ++nlim;
- break;
- case 0x600005: /* PM_RUN_CYC */
- alt[j++] = 0xf;
- break;
- case 0x100009: /* PM_INST_CMPL */
- alt[j++] = 0x500009; /* PM_RUN_INST_CMPL */
- ++nlim;
- break;
- case 0x500009: /* PM_RUN_INST_CMPL */
- alt[j++] = 0x100009; /* PM_INST_CMPL */
- alt[j++] = 0x200009;
- break;
- }
- }
- nalt = j;
- }
-
- if (!(flags & PPMU_LIMITED_PMC_OK) && nlim) {
- /* remove the limited PMC events */
- j = 0;
- for (i = 0; i < nalt; ++i) {
- if (!power5p_limited_pmc_event(alt[i])) {
- alt[j] = alt[i];
- ++j;
- }
- }
- nalt = j;
- } else if ((flags & PPMU_LIMITED_PMC_REQD) && nlim < nalt) {
- /* remove all but the limited PMC events */
- j = 0;
- for (i = 0; i < nalt; ++i) {
- if (power5p_limited_pmc_event(alt[i])) {
- alt[j] = alt[i];
- ++j;
- }
- }
- nalt = j;
- }
-
- return nalt;
-}
-
-/*
- * Map of which direct events on which PMCs are marked instruction events.
- * Indexed by PMCSEL value, bit i (LE) set if PMC i is a marked event.
- * Bit 0 is set if it is marked for all PMCs.
- * The 0x80 bit indicates a byte decode PMCSEL value.
- */
-static unsigned char direct_event_is_marked[0x28] = {
- 0, /* 00 */
- 0x1f, /* 01 PM_IOPS_CMPL */
- 0x2, /* 02 PM_MRK_GRP_DISP */
- 0xe, /* 03 PM_MRK_ST_CMPL, PM_MRK_ST_GPS, PM_MRK_ST_CMPL_INT */
- 0, /* 04 */
- 0x1c, /* 05 PM_MRK_BRU_FIN, PM_MRK_INST_FIN, PM_MRK_CRU_FIN */
- 0x80, /* 06 */
- 0x80, /* 07 */
- 0, 0, 0,/* 08 - 0a */
- 0x18, /* 0b PM_THRESH_TIMEO, PM_MRK_GRP_TIMEO */
- 0, /* 0c */
- 0x80, /* 0d */
- 0x80, /* 0e */
- 0, /* 0f */
- 0, /* 10 */
- 0x14, /* 11 PM_MRK_GRP_BR_REDIR, PM_MRK_GRP_IC_MISS */
- 0, /* 12 */
- 0x10, /* 13 PM_MRK_GRP_CMPL */
- 0x1f, /* 14 PM_GRP_MRK, PM_MRK_{FXU,FPU,LSU}_FIN */
- 0x2, /* 15 PM_MRK_GRP_ISSUED */
- 0x80, /* 16 */
- 0x80, /* 17 */
- 0, 0, 0, 0, 0,
- 0x80, /* 1d */
- 0x80, /* 1e */
- 0, /* 1f */
- 0x80, /* 20 */
- 0x80, /* 21 */
- 0x80, /* 22 */
- 0x80, /* 23 */
- 0x80, /* 24 */
- 0x80, /* 25 */
- 0x80, /* 26 */
- 0x80, /* 27 */
-};
-
-/*
- * Returns 1 if event counts things relating to marked instructions
- * and thus needs the MMCRA_SAMPLE_ENABLE bit set, or 0 if not.
- */
-static int power5p_marked_instr_event(u64 event)
-{
- int pmc, psel;
- int bit, byte, unit;
- u32 mask;
-
- pmc = (event >> PM_PMC_SH) & PM_PMC_MSK;
- psel = event & PM_PMCSEL_MSK;
- if (pmc >= 5)
- return 0;
-
- bit = -1;
- if (psel < sizeof(direct_event_is_marked)) {
- if (direct_event_is_marked[psel] & (1 << pmc))
- return 1;
- if (direct_event_is_marked[psel] & 0x80)
- bit = 4;
- else if (psel == 0x08)
- bit = pmc - 1;
- else if (psel == 0x10)
- bit = 4 - pmc;
- else if (psel == 0x1b && (pmc == 1 || pmc == 3))
- bit = 4;
- } else if ((psel & 0x48) == 0x40) {
- bit = psel & 7;
- } else if (psel == 0x28) {
- bit = pmc - 1;
- } else if (pmc == 3 && (psel == 0x2e || psel == 0x2f)) {
- bit = 4;
- }
-
- if (!(event & PM_BUSEVENT_MSK) || bit == -1)
- return 0;
-
- byte = (event >> PM_BYTE_SH) & PM_BYTE_MSK;
- unit = (event >> PM_UNIT_SH) & PM_UNIT_MSK;
- if (unit == PM_LSU0) {
- /* byte 1 bits 0-7, byte 2 bits 0,2-4,6 */
- mask = 0x5dff00;
- } else if (unit == PM_LSU1 && byte >= 4) {
- byte -= 4;
- /* byte 5 bits 6-7, byte 6 bits 0,4, byte 7 bits 0-4,6 */
- mask = 0x5f11c000;
- } else
- return 0;
-
- return (mask >> (byte * 8 + bit)) & 1;
-}
-
-static int power5p_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], unsigned long mmcr[])
-{
- unsigned long mmcr1 = 0;
- unsigned long mmcra = 0;
- unsigned int pmc, unit, byte, psel;
- unsigned int ttm;
- int i, isbus, bit, grsel;
- unsigned int pmc_inuse = 0;
- unsigned char busbyte[4];
- unsigned char unituse[16];
- int ttmuse;
-
- if (n_ev > 6)
- return -1;
-
- /* First pass to count resource use */
- memset(busbyte, 0, sizeof(busbyte));
- memset(unituse, 0, sizeof(unituse));
- for (i = 0; i < n_ev; ++i) {
- pmc = (event[i] >> PM_PMC_SH) & PM_PMC_MSK;
- if (pmc) {
- if (pmc > 6)
- return -1;
- if (pmc_inuse & (1 << (pmc - 1)))
- return -1;
- pmc_inuse |= 1 << (pmc - 1);
- }
- if (event[i] & PM_BUSEVENT_MSK) {
- unit = (event[i] >> PM_UNIT_SH) & PM_UNIT_MSK;
- byte = (event[i] >> PM_BYTE_SH) & PM_BYTE_MSK;
- if (unit > PM_LASTUNIT)
- return -1;
- if (unit == PM_ISU0_ALT)
- unit = PM_ISU0;
- if (byte >= 4) {
- if (unit != PM_LSU1)
- return -1;
- ++unit;
- byte &= 3;
- }
- if (busbyte[byte] && busbyte[byte] != unit)
- return -1;
- busbyte[byte] = unit;
- unituse[unit] = 1;
- }
- }
-
- /*
- * Assign resources and set multiplexer selects.
- *
- * PM_ISU0 can go either on TTM0 or TTM1, but that's the only
- * choice we have to deal with.
- */
- if (unituse[PM_ISU0] &
- (unituse[PM_FPU] | unituse[PM_IFU] | unituse[PM_ISU1])) {
- unituse[PM_ISU0_ALT] = 1; /* move ISU to TTM1 */
- unituse[PM_ISU0] = 0;
- }
- /* Set TTM[01]SEL fields. */
- ttmuse = 0;
- for (i = PM_FPU; i <= PM_ISU1; ++i) {
- if (!unituse[i])
- continue;
- if (ttmuse++)
- return -1;
- mmcr1 |= (unsigned long)i << MMCR1_TTM0SEL_SH;
- }
- ttmuse = 0;
- for (; i <= PM_GRS; ++i) {
- if (!unituse[i])
- continue;
- if (ttmuse++)
- return -1;
- mmcr1 |= (unsigned long)(i & 3) << MMCR1_TTM1SEL_SH;
- }
- if (ttmuse > 1)
- return -1;
-
- /* Set byte lane select fields, TTM[23]SEL and GRS_*SEL. */
- for (byte = 0; byte < 4; ++byte) {
- unit = busbyte[byte];
- if (!unit)
- continue;
- if (unit == PM_ISU0 && unituse[PM_ISU0_ALT]) {
- /* get ISU0 through TTM1 rather than TTM0 */
- unit = PM_ISU0_ALT;
- } else if (unit == PM_LSU1 + 1) {
- /* select lower word of LSU1 for this byte */
- mmcr1 |= 1ul << (MMCR1_TTM3SEL_SH + 3 - byte);
- }
- ttm = unit >> 2;
- mmcr1 |= (unsigned long)ttm
- << (MMCR1_TD_CP_DBG0SEL_SH - 2 * byte);
- }
-
- /* Second pass: assign PMCs, set PMCxSEL and PMCx_ADDER_SEL fields */
- for (i = 0; i < n_ev; ++i) {
- pmc = (event[i] >> PM_PMC_SH) & PM_PMC_MSK;
- unit = (event[i] >> PM_UNIT_SH) & PM_UNIT_MSK;
- byte = (event[i] >> PM_BYTE_SH) & PM_BYTE_MSK;
- psel = event[i] & PM_PMCSEL_MSK;
- isbus = event[i] & PM_BUSEVENT_MSK;
- if (!pmc) {
- /* Bus event or any-PMC direct event */
- for (pmc = 0; pmc < 4; ++pmc) {
- if (!(pmc_inuse & (1 << pmc)))
- break;
- }
- if (pmc >= 4)
- return -1;
- pmc_inuse |= 1 << pmc;
- } else if (pmc <= 4) {
- /* Direct event */
- --pmc;
- if (isbus && (byte & 2) &&
- (psel == 8 || psel == 0x10 || psel == 0x28))
- /* add events on higher-numbered bus */
- mmcr1 |= 1ul << (MMCR1_PMC1_ADDER_SEL_SH - pmc);
- } else {
- /* Instructions or run cycles on PMC5/6 */
- --pmc;
- }
- if (isbus && unit == PM_GRS) {
- bit = psel & 7;
- grsel = (event[i] >> PM_GRS_SH) & PM_GRS_MSK;
- mmcr1 |= (unsigned long)grsel << grsel_shift[bit];
- }
- if (power5p_marked_instr_event(event[i]))
- mmcra |= MMCRA_SAMPLE_ENABLE;
- if ((psel & 0x58) == 0x40 && (byte & 1) != ((pmc >> 1) & 1))
- /* select alternate byte lane */
- psel |= 0x10;
- if (pmc <= 3)
- mmcr1 |= psel << MMCR1_PMCSEL_SH(pmc);
- hwc[i] = pmc;
- }
-
- /* Return MMCRx values */
- mmcr[0] = 0;
- if (pmc_inuse & 1)
- mmcr[0] = MMCR0_PMC1CE;
- if (pmc_inuse & 0x3e)
- mmcr[0] |= MMCR0_PMCjCE;
- mmcr[1] = mmcr1;
- mmcr[2] = mmcra;
- return 0;
-}
-
-static void power5p_disable_pmc(unsigned int pmc, unsigned long mmcr[])
-{
- if (pmc <= 3)
- mmcr[1] &= ~(0x7fUL << MMCR1_PMCSEL_SH(pmc));
-}
-
-static int power5p_generic_events[] = {
- [PERF_COUNT_HW_CPU_CYCLES] = 0xf,
- [PERF_COUNT_HW_INSTRUCTIONS] = 0x100009,
- [PERF_COUNT_HW_CACHE_REFERENCES] = 0x1c10a8, /* LD_REF_L1 */
- [PERF_COUNT_HW_CACHE_MISSES] = 0x3c1088, /* LD_MISS_L1 */
- [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x230e4, /* BR_ISSUED */
- [PERF_COUNT_HW_BRANCH_MISSES] = 0x230e5, /* BR_MPRED_CR */
-};
-
-#define C(x) PERF_COUNT_HW_CACHE_##x
-
-/*
- * Table of generalized cache-related events.
- * 0 means not supported, -1 means nonsensical, other values
- * are event codes.
- */
-static int power5p_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
- [C(L1D)] = { /* RESULT_ACCESS RESULT_MISS */
- [C(OP_READ)] = { 0x1c10a8, 0x3c1088 },
- [C(OP_WRITE)] = { 0x2c10a8, 0xc10c3 },
- [C(OP_PREFETCH)] = { 0xc70e7, -1 },
- },
- [C(L1I)] = { /* RESULT_ACCESS RESULT_MISS */
- [C(OP_READ)] = { 0, 0 },
- [C(OP_WRITE)] = { -1, -1 },
- [C(OP_PREFETCH)] = { 0, 0 },
- },
- [C(LL)] = { /* RESULT_ACCESS RESULT_MISS */
- [C(OP_READ)] = { 0, 0 },
- [C(OP_WRITE)] = { 0, 0 },
- [C(OP_PREFETCH)] = { 0xc50c3, 0 },
- },
- [C(DTLB)] = { /* RESULT_ACCESS RESULT_MISS */
- [C(OP_READ)] = { 0xc20e4, 0x800c4 },
- [C(OP_WRITE)] = { -1, -1 },
- [C(OP_PREFETCH)] = { -1, -1 },
- },
- [C(ITLB)] = { /* RESULT_ACCESS RESULT_MISS */
- [C(OP_READ)] = { 0, 0x800c0 },
- [C(OP_WRITE)] = { -1, -1 },
- [C(OP_PREFETCH)] = { -1, -1 },
- },
- [C(BPU)] = { /* RESULT_ACCESS RESULT_MISS */
- [C(OP_READ)] = { 0x230e4, 0x230e5 },
- [C(OP_WRITE)] = { -1, -1 },
- [C(OP_PREFETCH)] = { -1, -1 },
- },
- [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */
- [C(OP_READ)] = { -1, -1 },
- [C(OP_WRITE)] = { -1, -1 },
- [C(OP_PREFETCH)] = { -1, -1 },
- },
-};
-
-static struct power_pmu power5p_pmu = {
- .name = "POWER5+/++",
- .n_counter = 6,
- .max_alternatives = MAX_ALT,
- .add_fields = 0x7000000000055ul,
- .test_adder = 0x3000040000000ul,
- .compute_mmcr = power5p_compute_mmcr,
- .get_constraint = power5p_get_constraint,
- .get_alternatives = power5p_get_alternatives,
- .disable_pmc = power5p_disable_pmc,
- .limited_pmc_event = power5p_limited_pmc_event,
- .flags = PPMU_LIMITED_PMC5_6,
- .n_generic = ARRAY_SIZE(power5p_generic_events),
- .generic_events = power5p_generic_events,
- .cache_events = &power5p_cache_events,
-};
-
-static int __init init_power5p_pmu(void)
-{
- if (!cur_cpu_spec->oprofile_cpu_type ||
- (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5+")
- && strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5++")))
- return -ENODEV;
-
- return register_power_pmu(&power5p_pmu);
-}
-
-early_initcall(init_power5p_pmu);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-11 23:24:37 +0000