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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse source 
Pull x86 perf fixes from Ingo Molnar.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86: disable PEBS on a guest entry.
  perf/x86: Add Intel Westmere-EX uncore support
  perf/x86: Fixes for Nehalem-EX uncore driver
  perf, x86: Fix uncore_types_exit section mismatch
This commit is contained in:
Linus Torvalds 2012-08-20 10:34:21 -07:00
commit f78602ab7c
3 changed files with 165 additions and 144 deletions
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10
arch/x86/kernel/cpu/perf_event_intel.c
View file

@ -1522,8 +1522,16 @@ static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr)
arr[0].msr = MSR_CORE_PERF_GLOBAL_CTRL; arr[0].msr = MSR_CORE_PERF_GLOBAL_CTRL;
arr[0].host = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask; arr[0].host = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask;
arr[0].guest = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_host_mask; arr[0].guest = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_host_mask;
/*
* If PMU counter has PEBS enabled it is not enough to disable counter
* on a guest entry since PEBS memory write can overshoot guest entry
* and corrupt guest memory. Disabling PEBS solves the problem.
*/
arr[1].msr = MSR_IA32_PEBS_ENABLE;
arr[1].host = cpuc->pebs_enabled;
arr[1].guest = 0;
*nr = 1; *nr = 2;
return arr; return arr;
} }

177
arch/x86/kernel/cpu/perf_event_intel_uncore.c
View file

@ -796,7 +796,6 @@ static struct intel_uncore_type *nhm_msr_uncores[] = {
DEFINE_UNCORE_FORMAT_ATTR(event5, event, "config:1-5"); DEFINE_UNCORE_FORMAT_ATTR(event5, event, "config:1-5");
DEFINE_UNCORE_FORMAT_ATTR(counter, counter, "config:6-7"); DEFINE_UNCORE_FORMAT_ATTR(counter, counter, "config:6-7");
DEFINE_UNCORE_FORMAT_ATTR(mm_cfg, mm_cfg, "config:63");
DEFINE_UNCORE_FORMAT_ATTR(match, match, "config1:0-63"); DEFINE_UNCORE_FORMAT_ATTR(match, match, "config1:0-63");
DEFINE_UNCORE_FORMAT_ATTR(mask, mask, "config2:0-63"); DEFINE_UNCORE_FORMAT_ATTR(mask, mask, "config2:0-63");
@ -902,16 +901,21 @@ static struct attribute_group nhmex_uncore_cbox_format_group = {
.attrs = nhmex_uncore_cbox_formats_attr, .attrs = nhmex_uncore_cbox_formats_attr,
}; };
/* msr offset for each instance of cbox */
static unsigned nhmex_cbox_msr_offsets[] = {
0x0, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x240, 0x2c0,
};
static struct intel_uncore_type nhmex_uncore_cbox = { static struct intel_uncore_type nhmex_uncore_cbox = {
.name = "cbox", .name = "cbox",
.num_counters = 6, .num_counters = 6,
.num_boxes = 8, .num_boxes = 10,
.perf_ctr_bits = 48, .perf_ctr_bits = 48,
.event_ctl = NHMEX_C0_MSR_PMON_EV_SEL0, .event_ctl = NHMEX_C0_MSR_PMON_EV_SEL0,
.perf_ctr = NHMEX_C0_MSR_PMON_CTR0, .perf_ctr = NHMEX_C0_MSR_PMON_CTR0,
.event_mask = NHMEX_PMON_RAW_EVENT_MASK, .event_mask = NHMEX_PMON_RAW_EVENT_MASK,
.box_ctl = NHMEX_C0_MSR_PMON_GLOBAL_CTL, .box_ctl = NHMEX_C0_MSR_PMON_GLOBAL_CTL,
.msr_offset = NHMEX_C_MSR_OFFSET, .msr_offsets = nhmex_cbox_msr_offsets,
.pair_ctr_ctl = 1, .pair_ctr_ctl = 1,
.ops = &nhmex_uncore_ops, .ops = &nhmex_uncore_ops,
.format_group = &nhmex_uncore_cbox_format_group .format_group = &nhmex_uncore_cbox_format_group
@ -1032,24 +1036,22 @@ static struct intel_uncore_type nhmex_uncore_bbox = {
static int nhmex_sbox_hw_config(struct intel_uncore_box *box, struct perf_event *event) static int nhmex_sbox_hw_config(struct intel_uncore_box *box, struct perf_event *event)
{ {
struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; struct hw_perf_event *hwc = &event->hw;
struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
if (event->attr.config & NHMEX_S_PMON_MM_CFG_EN) { /* only TO_R_PROG_EV event uses the match/mask register */
reg1->config = event->attr.config1; if ((hwc->config & NHMEX_PMON_CTL_EV_SEL_MASK) !=
reg2->config = event->attr.config2; NHMEX_S_EVENT_TO_R_PROG_EV)
} else { return 0;
reg1->config = ~0ULL;
reg2->config = ~0ULL;
}
if (box->pmu->pmu_idx == 0) if (box->pmu->pmu_idx == 0)
reg1->reg = NHMEX_S0_MSR_MM_CFG; reg1->reg = NHMEX_S0_MSR_MM_CFG;
else else
reg1->reg = NHMEX_S1_MSR_MM_CFG; reg1->reg = NHMEX_S1_MSR_MM_CFG;
reg1->idx = 0; reg1->idx = 0;
reg1->config = event->attr.config1;
reg2->config = event->attr.config2;
return 0; return 0;
} }
@ -1059,8 +1061,8 @@ static void nhmex_sbox_msr_enable_event(struct intel_uncore_box *box, struct per
struct hw_perf_event_extra *reg1 = &hwc->extra_reg; struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
struct hw_perf_event_extra *reg2 = &hwc->branch_reg; struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
if (reg1->idx != EXTRA_REG_NONE) {
wrmsrl(reg1->reg, 0); wrmsrl(reg1->reg, 0);
if (reg1->config != ~0ULL || reg2->config != ~0ULL) {
wrmsrl(reg1->reg + 1, reg1->config); wrmsrl(reg1->reg + 1, reg1->config);
wrmsrl(reg1->reg + 2, reg2->config); wrmsrl(reg1->reg + 2, reg2->config);
wrmsrl(reg1->reg, NHMEX_S_PMON_MM_CFG_EN); wrmsrl(reg1->reg, NHMEX_S_PMON_MM_CFG_EN);
@ -1074,7 +1076,6 @@ static struct attribute *nhmex_uncore_sbox_formats_attr[] = {
&format_attr_edge.attr, &format_attr_edge.attr,
&format_attr_inv.attr, &format_attr_inv.attr,
&format_attr_thresh8.attr, &format_attr_thresh8.attr,
&format_attr_mm_cfg.attr,
&format_attr_match.attr, &format_attr_match.attr,
&format_attr_mask.attr, &format_attr_mask.attr,
NULL, NULL,
@ -1142,6 +1143,9 @@ static struct extra_reg nhmex_uncore_mbox_extra_regs[] = {
EVENT_EXTRA_END EVENT_EXTRA_END
}; };
/* Nehalem-EX or Westmere-EX ? */
bool uncore_nhmex;
static bool nhmex_mbox_get_shared_reg(struct intel_uncore_box *box, int idx, u64 config) static bool nhmex_mbox_get_shared_reg(struct intel_uncore_box *box, int idx, u64 config)
{ {
struct intel_uncore_extra_reg *er; struct intel_uncore_extra_reg *er;
@ -1171,18 +1175,29 @@ static bool nhmex_mbox_get_shared_reg(struct intel_uncore_box *box, int idx, u64
return false; return false;
/* mask of the shared fields */ /* mask of the shared fields */
if (uncore_nhmex)
mask = NHMEX_M_PMON_ZDP_CTL_FVC_MASK; mask = NHMEX_M_PMON_ZDP_CTL_FVC_MASK;
else
mask = WSMEX_M_PMON_ZDP_CTL_FVC_MASK;
er = &box->shared_regs[EXTRA_REG_NHMEX_M_ZDP_CTL_FVC]; er = &box->shared_regs[EXTRA_REG_NHMEX_M_ZDP_CTL_FVC];
raw_spin_lock_irqsave(&er->lock, flags); raw_spin_lock_irqsave(&er->lock, flags);
/* add mask of the non-shared field if it's in use */ /* add mask of the non-shared field if it's in use */
if (__BITS_VALUE(atomic_read(&er->ref), idx, 8)) if (__BITS_VALUE(atomic_read(&er->ref), idx, 8)) {
if (uncore_nhmex)
mask |= NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx); mask |= NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
else
mask |= WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
}
if (!atomic_read(&er->ref) || !((er->config ^ config) & mask)) { if (!atomic_read(&er->ref) || !((er->config ^ config) & mask)) {
atomic_add(1 << (idx * 8), &er->ref); atomic_add(1 << (idx * 8), &er->ref);
if (uncore_nhmex)
mask = NHMEX_M_PMON_ZDP_CTL_FVC_MASK | mask = NHMEX_M_PMON_ZDP_CTL_FVC_MASK |
NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx); NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
else
mask = WSMEX_M_PMON_ZDP_CTL_FVC_MASK |
WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
er->config &= ~mask; er->config &= ~mask;
er->config |= (config & mask); er->config |= (config & mask);
ret = true; ret = true;
@ -1216,7 +1231,10 @@ u64 nhmex_mbox_alter_er(struct perf_event *event, int new_idx, bool modify)
/* get the non-shared control bits and shift them */ /* get the non-shared control bits and shift them */
idx = orig_idx - EXTRA_REG_NHMEX_M_ZDP_CTL_FVC; idx = orig_idx - EXTRA_REG_NHMEX_M_ZDP_CTL_FVC;
if (uncore_nhmex)
config &= NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx); config &= NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
else
config &= WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
if (new_idx > orig_idx) { if (new_idx > orig_idx) {
idx = new_idx - orig_idx; idx = new_idx - orig_idx;
config <<= 3 * idx; config <<= 3 * idx;
@ -1226,6 +1244,10 @@ u64 nhmex_mbox_alter_er(struct perf_event *event, int new_idx, bool modify)
} }
/* add the shared control bits back */ /* add the shared control bits back */
if (uncore_nhmex)
config |= NHMEX_M_PMON_ZDP_CTL_FVC_MASK & reg1->config;
else
config |= WSMEX_M_PMON_ZDP_CTL_FVC_MASK & reg1->config;
config |= NHMEX_M_PMON_ZDP_CTL_FVC_MASK & reg1->config; config |= NHMEX_M_PMON_ZDP_CTL_FVC_MASK & reg1->config;
if (modify) { if (modify) {
/* adjust the main event selector */ /* adjust the main event selector */
@ -1264,7 +1286,8 @@ again:
} }
/* for the match/mask registers */ /* for the match/mask registers */
if ((uncore_box_is_fake(box) || !reg2->alloc) && if (reg2->idx != EXTRA_REG_NONE &&
(uncore_box_is_fake(box) || !reg2->alloc) &&
!nhmex_mbox_get_shared_reg(box, reg2->idx, reg2->config)) !nhmex_mbox_get_shared_reg(box, reg2->idx, reg2->config))
goto fail; goto fail;
@ -1278,6 +1301,7 @@ again:
if (idx[0] != 0xff && idx[0] != __BITS_VALUE(reg1->idx, 0, 8)) if (idx[0] != 0xff && idx[0] != __BITS_VALUE(reg1->idx, 0, 8))
nhmex_mbox_alter_er(event, idx[0], true); nhmex_mbox_alter_er(event, idx[0], true);
reg1->alloc |= alloc; reg1->alloc |= alloc;
if (reg2->idx != EXTRA_REG_NONE)
reg2->alloc = 1; reg2->alloc = 1;
} }
return NULL; return NULL;
@ -1342,9 +1366,6 @@ static int nhmex_mbox_hw_config(struct intel_uncore_box *box, struct perf_event
struct extra_reg *er; struct extra_reg *er;
unsigned msr; unsigned msr;
int reg_idx = 0; int reg_idx = 0;
if (WARN_ON_ONCE(reg1->idx != -1))
return -EINVAL;
/* /*
* The mbox events may require 2 extra MSRs at the most. But only * The mbox events may require 2 extra MSRs at the most. But only
* the lower 32 bits in these MSRs are significant, so we can use * the lower 32 bits in these MSRs are significant, so we can use
@ -1355,11 +1376,6 @@ static int nhmex_mbox_hw_config(struct intel_uncore_box *box, struct perf_event
continue; continue;
if (event->attr.config1 & ~er->valid_mask) if (event->attr.config1 & ~er->valid_mask)
return -EINVAL; return -EINVAL;
if (er->idx == __BITS_VALUE(reg1->idx, 0, 8) ||
er->idx == __BITS_VALUE(reg1->idx, 1, 8))
continue;
if (WARN_ON_ONCE(reg_idx >= 2))
return -EINVAL;
msr = er->msr + type->msr_offset * box->pmu->pmu_idx; msr = er->msr + type->msr_offset * box->pmu->pmu_idx;
if (WARN_ON_ONCE(msr >= 0xffff || er->idx >= 0xff)) if (WARN_ON_ONCE(msr >= 0xffff || er->idx >= 0xff))
@ -1368,6 +1384,8 @@ static int nhmex_mbox_hw_config(struct intel_uncore_box *box, struct perf_event
/* always use the 32~63 bits to pass the PLD config */ /* always use the 32~63 bits to pass the PLD config */
if (er->idx == EXTRA_REG_NHMEX_M_PLD) if (er->idx == EXTRA_REG_NHMEX_M_PLD)
reg_idx = 1; reg_idx = 1;
else if (WARN_ON_ONCE(reg_idx > 0))
return -EINVAL;
reg1->idx &= ~(0xff << (reg_idx * 8)); reg1->idx &= ~(0xff << (reg_idx * 8));
reg1->reg &= ~(0xffff << (reg_idx * 16)); reg1->reg &= ~(0xffff << (reg_idx * 16));
@ -1376,7 +1394,11 @@ static int nhmex_mbox_hw_config(struct intel_uncore_box *box, struct perf_event
reg1->config = event->attr.config1; reg1->config = event->attr.config1;
reg_idx++; reg_idx++;
} }
/* use config2 to pass the filter config */ /*
* The mbox only provides ability to perform address matching
* for the PLD events.
*/
if (reg_idx == 2) {
reg2->idx = EXTRA_REG_NHMEX_M_FILTER; reg2->idx = EXTRA_REG_NHMEX_M_FILTER;
if (event->attr.config2 & NHMEX_M_PMON_MM_CFG_EN) if (event->attr.config2 & NHMEX_M_PMON_MM_CFG_EN)
reg2->config = event->attr.config2; reg2->config = event->attr.config2;
@ -1386,7 +1408,7 @@ static int nhmex_mbox_hw_config(struct intel_uncore_box *box, struct perf_event
reg2->reg = NHMEX_M0_MSR_PMU_MM_CFG; reg2->reg = NHMEX_M0_MSR_PMU_MM_CFG;
else else
reg2->reg = NHMEX_M1_MSR_PMU_MM_CFG; reg2->reg = NHMEX_M1_MSR_PMU_MM_CFG;
}
return 0; return 0;
} }
@ -1422,6 +1444,7 @@ static void nhmex_mbox_msr_enable_event(struct intel_uncore_box *box, struct per
wrmsrl(__BITS_VALUE(reg1->reg, 1, 16), wrmsrl(__BITS_VALUE(reg1->reg, 1, 16),
nhmex_mbox_shared_reg_config(box, idx)); nhmex_mbox_shared_reg_config(box, idx));
if (reg2->idx != EXTRA_REG_NONE) {
wrmsrl(reg2->reg, 0); wrmsrl(reg2->reg, 0);
if (reg2->config != ~0ULL) { if (reg2->config != ~0ULL) {
wrmsrl(reg2->reg + 1, wrmsrl(reg2->reg + 1,
@ -1430,6 +1453,7 @@ static void nhmex_mbox_msr_enable_event(struct intel_uncore_box *box, struct per
(reg2->config >> NHMEX_M_PMON_ADDR_MASK_SHIFT)); (reg2->config >> NHMEX_M_PMON_ADDR_MASK_SHIFT));
wrmsrl(reg2->reg, NHMEX_M_PMON_MM_CFG_EN); wrmsrl(reg2->reg, NHMEX_M_PMON_MM_CFG_EN);
} }
}
wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT0); wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT0);
} }
@ -1440,7 +1464,7 @@ DEFINE_UNCORE_FORMAT_ATTR(wrap_mode, wrap_mode, "config:6");
DEFINE_UNCORE_FORMAT_ATTR(flag_mode, flag_mode, "config:7"); DEFINE_UNCORE_FORMAT_ATTR(flag_mode, flag_mode, "config:7");
DEFINE_UNCORE_FORMAT_ATTR(inc_sel, inc_sel, "config:9-13"); DEFINE_UNCORE_FORMAT_ATTR(inc_sel, inc_sel, "config:9-13");
DEFINE_UNCORE_FORMAT_ATTR(set_flag_sel, set_flag_sel, "config:19-21"); DEFINE_UNCORE_FORMAT_ATTR(set_flag_sel, set_flag_sel, "config:19-21");
DEFINE_UNCORE_FORMAT_ATTR(filter_cfg, filter_cfg, "config2:63"); DEFINE_UNCORE_FORMAT_ATTR(filter_cfg_en, filter_cfg_en, "config2:63");
DEFINE_UNCORE_FORMAT_ATTR(filter_match, filter_match, "config2:0-33"); DEFINE_UNCORE_FORMAT_ATTR(filter_match, filter_match, "config2:0-33");
DEFINE_UNCORE_FORMAT_ATTR(filter_mask, filter_mask, "config2:34-61"); DEFINE_UNCORE_FORMAT_ATTR(filter_mask, filter_mask, "config2:34-61");
DEFINE_UNCORE_FORMAT_ATTR(dsp, dsp, "config1:0-31"); DEFINE_UNCORE_FORMAT_ATTR(dsp, dsp, "config1:0-31");
@ -1458,7 +1482,7 @@ static struct attribute *nhmex_uncore_mbox_formats_attr[] = {
&format_attr_flag_mode.attr, &format_attr_flag_mode.attr,
&format_attr_inc_sel.attr, &format_attr_inc_sel.attr,
&format_attr_set_flag_sel.attr, &format_attr_set_flag_sel.attr,
&format_attr_filter_cfg.attr, &format_attr_filter_cfg_en.attr,
&format_attr_filter_match.attr, &format_attr_filter_match.attr,
&format_attr_filter_mask.attr, &format_attr_filter_mask.attr,
&format_attr_dsp.attr, &format_attr_dsp.attr,
@ -1482,6 +1506,12 @@ static struct uncore_event_desc nhmex_uncore_mbox_events[] = {
{ /* end: all zeroes */ }, { /* end: all zeroes */ },
}; };
static struct uncore_event_desc wsmex_uncore_mbox_events[] = {
INTEL_UNCORE_EVENT_DESC(bbox_cmds_read, "inc_sel=0xd,fvc=0x5000"),
INTEL_UNCORE_EVENT_DESC(bbox_cmds_write, "inc_sel=0xd,fvc=0x5040"),
{ /* end: all zeroes */ },
};
static struct intel_uncore_ops nhmex_uncore_mbox_ops = { static struct intel_uncore_ops nhmex_uncore_mbox_ops = {
NHMEX_UNCORE_OPS_COMMON_INIT(), NHMEX_UNCORE_OPS_COMMON_INIT(),
.enable_event = nhmex_mbox_msr_enable_event, .enable_event = nhmex_mbox_msr_enable_event,
@ -1513,7 +1543,7 @@ void nhmex_rbox_alter_er(struct intel_uncore_box *box, struct perf_event *event)
struct hw_perf_event_extra *reg1 = &hwc->extra_reg; struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
int port; int port;
/* adjust the main event selector */ /* adjust the main event selector and extra register index */
if (reg1->idx % 2) { if (reg1->idx % 2) {
reg1->idx--; reg1->idx--;
hwc->config -= 1 << NHMEX_R_PMON_CTL_EV_SEL_SHIFT; hwc->config -= 1 << NHMEX_R_PMON_CTL_EV_SEL_SHIFT;
@ -1522,29 +1552,17 @@ void nhmex_rbox_alter_er(struct intel_uncore_box *box, struct perf_event *event)
hwc->config += 1 << NHMEX_R_PMON_CTL_EV_SEL_SHIFT; hwc->config += 1 << NHMEX_R_PMON_CTL_EV_SEL_SHIFT;
} }
/* adjust address or config of extra register */ /* adjust extra register config */
port = reg1->idx / 6 + box->pmu->pmu_idx * 4; port = reg1->idx / 6 + box->pmu->pmu_idx * 4;
switch (reg1->idx % 6) { switch (reg1->idx % 6) {
case 0:
reg1->reg = NHMEX_R_MSR_PORTN_IPERF_CFG0(port);
break;
case 1:
reg1->reg = NHMEX_R_MSR_PORTN_IPERF_CFG1(port);
break;
case 2: case 2:
/* the 8~15 bits to the 0~7 bits */ /* shift the 8~15 bits to the 0~7 bits */
reg1->config >>= 8; reg1->config >>= 8;
break; break;
case 3: case 3:
/* the 0~7 bits to the 8~15 bits */ /* shift the 0~7 bits to the 8~15 bits */
reg1->config <<= 8; reg1->config <<= 8;
break; break;
case 4:
reg1->reg = NHMEX_R_MSR_PORTN_XBR_SET1_MM_CFG(port);
break;
case 5:
reg1->reg = NHMEX_R_MSR_PORTN_XBR_SET2_MM_CFG(port);
break;
}; };
} }
@ -1671,7 +1689,7 @@ static int nhmex_rbox_hw_config(struct intel_uncore_box *box, struct perf_event
struct hw_perf_event *hwc = &event->hw; struct hw_perf_event *hwc = &event->hw;
struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; struct hw_perf_event_extra *reg2 = &event->hw.branch_reg;
int port, idx; int idx;
idx = (event->hw.config & NHMEX_R_PMON_CTL_EV_SEL_MASK) >> idx = (event->hw.config & NHMEX_R_PMON_CTL_EV_SEL_MASK) >>
NHMEX_R_PMON_CTL_EV_SEL_SHIFT; NHMEX_R_PMON_CTL_EV_SEL_SHIFT;
@ -1681,27 +1699,11 @@ static int nhmex_rbox_hw_config(struct intel_uncore_box *box, struct perf_event
reg1->idx = idx; reg1->idx = idx;
reg1->config = event->attr.config1; reg1->config = event->attr.config1;
port = idx / 6 + box->pmu->pmu_idx * 4; switch (idx % 6) {
idx %= 6;
switch (idx) {
case 0:
reg1->reg = NHMEX_R_MSR_PORTN_IPERF_CFG0(port);
break;
case 1:
reg1->reg = NHMEX_R_MSR_PORTN_IPERF_CFG1(port);
break;
case 2:
case 3:
reg1->reg = NHMEX_R_MSR_PORTN_QLX_CFG(port);
break;
case 4: case 4:
case 5: case 5:
if (idx == 4)
reg1->reg = NHMEX_R_MSR_PORTN_XBR_SET1_MM_CFG(port);
else
reg1->reg = NHMEX_R_MSR_PORTN_XBR_SET2_MM_CFG(port);
reg2->config = event->attr.config2;
hwc->config |= event->attr.config & (~0ULL << 32); hwc->config |= event->attr.config & (~0ULL << 32);
reg2->config = event->attr.config2;
break; break;
}; };
return 0; return 0;
@ -1727,28 +1729,34 @@ static void nhmex_rbox_msr_enable_event(struct intel_uncore_box *box, struct per
struct hw_perf_event *hwc = &event->hw; struct hw_perf_event *hwc = &event->hw;
struct hw_perf_event_extra *reg1 = &hwc->extra_reg; struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
struct hw_perf_event_extra *reg2 = &hwc->branch_reg; struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
int idx, er_idx; int idx, port;
idx = reg1->idx % 6; idx = reg1->idx;
er_idx = idx; port = idx / 6 + box->pmu->pmu_idx * 4;
if (er_idx > 2)
er_idx--;
er_idx += (reg1->idx / 6) * 5;
switch (idx) { switch (idx % 6) {
case 0: case 0:
wrmsrl(NHMEX_R_MSR_PORTN_IPERF_CFG0(port), reg1->config);
break;
case 1: case 1:
wrmsrl(reg1->reg, reg1->config); wrmsrl(NHMEX_R_MSR_PORTN_IPERF_CFG1(port), reg1->config);
break; break;
case 2: case 2:
case 3: case 3:
wrmsrl(reg1->reg, nhmex_rbox_shared_reg_config(box, er_idx)); wrmsrl(NHMEX_R_MSR_PORTN_QLX_CFG(port),
nhmex_rbox_shared_reg_config(box, 2 + (idx / 6) * 5));
break; break;
case 4: case 4:
wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET1_MM_CFG(port),
hwc->config >> 32);
wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET1_MATCH(port), reg1->config);
wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET1_MASK(port), reg2->config);
break;
case 5: case 5:
wrmsrl(reg1->reg, reg1->config); wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET2_MM_CFG(port),
wrmsrl(reg1->reg + 1, hwc->config >> 32); hwc->config >> 32);
wrmsrl(reg1->reg + 2, reg2->config); wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET2_MATCH(port), reg1->config);
wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET2_MASK(port), reg2->config);
break; break;
}; };
@ -1756,8 +1764,8 @@ static void nhmex_rbox_msr_enable_event(struct intel_uncore_box *box, struct per
(hwc->config & NHMEX_R_PMON_CTL_EV_SEL_MASK)); (hwc->config & NHMEX_R_PMON_CTL_EV_SEL_MASK));
} }
DEFINE_UNCORE_FORMAT_ATTR(xbr_match, xbr_match, "config:32-63"); DEFINE_UNCORE_FORMAT_ATTR(xbr_mm_cfg, xbr_mm_cfg, "config:32-63");
DEFINE_UNCORE_FORMAT_ATTR(xbr_mm_cfg, xbr_mm_cfg, "config1:0-63"); DEFINE_UNCORE_FORMAT_ATTR(xbr_match, xbr_match, "config1:0-63");
DEFINE_UNCORE_FORMAT_ATTR(xbr_mask, xbr_mask, "config2:0-63"); DEFINE_UNCORE_FORMAT_ATTR(xbr_mask, xbr_mask, "config2:0-63");
DEFINE_UNCORE_FORMAT_ATTR(qlx_cfg, qlx_cfg, "config1:0-15"); DEFINE_UNCORE_FORMAT_ATTR(qlx_cfg, qlx_cfg, "config1:0-15");
DEFINE_UNCORE_FORMAT_ATTR(iperf_cfg, iperf_cfg, "config1:0-31"); DEFINE_UNCORE_FORMAT_ATTR(iperf_cfg, iperf_cfg, "config1:0-31");
@ -2303,6 +2311,7 @@ int uncore_pmu_event_init(struct perf_event *event)
event->hw.idx = -1; event->hw.idx = -1;
event->hw.last_tag = ~0ULL; event->hw.last_tag = ~0ULL;
event->hw.extra_reg.idx = EXTRA_REG_NONE; event->hw.extra_reg.idx = EXTRA_REG_NONE;
event->hw.branch_reg.idx = EXTRA_REG_NONE;
if (event->attr.config == UNCORE_FIXED_EVENT) { if (event->attr.config == UNCORE_FIXED_EVENT) {
/* no fixed counter */ /* no fixed counter */
@ -2373,7 +2382,7 @@ static void __init uncore_type_exit(struct intel_uncore_type *type)
type->attr_groups[1] = NULL; type->attr_groups[1] = NULL;
} }
static void uncore_types_exit(struct intel_uncore_type **types) static void __init uncore_types_exit(struct intel_uncore_type **types)
{ {
int i; int i;
for (i = 0; types[i]; i++) for (i = 0; types[i]; i++)
@ -2814,7 +2823,13 @@ static int __init uncore_cpu_init(void)
snbep_uncore_cbox.num_boxes = max_cores; snbep_uncore_cbox.num_boxes = max_cores;
msr_uncores = snbep_msr_uncores; msr_uncores = snbep_msr_uncores;
break; break;
case 46: case 46: /* Nehalem-EX */
uncore_nhmex = true;
case 47: /* Westmere-EX aka. Xeon E7 */
if (!uncore_nhmex)
nhmex_uncore_mbox.event_descs = wsmex_uncore_mbox_events;
if (nhmex_uncore_cbox.num_boxes > max_cores)
nhmex_uncore_cbox.num_boxes = max_cores;
msr_uncores = nhmex_msr_uncores; msr_uncores = nhmex_msr_uncores;
break; break;
default: default:

46
arch/x86/kernel/cpu/perf_event_intel_uncore.h
View file

@ -230,6 +230,7 @@
#define NHMEX_S1_MSR_MASK 0xe5a #define NHMEX_S1_MSR_MASK 0xe5a
#define NHMEX_S_PMON_MM_CFG_EN (0x1ULL << 63) #define NHMEX_S_PMON_MM_CFG_EN (0x1ULL << 63)
#define NHMEX_S_EVENT_TO_R_PROG_EV 0
/* NHM-EX Mbox */ /* NHM-EX Mbox */
#define NHMEX_M0_MSR_GLOBAL_CTL 0xca0 #define NHMEX_M0_MSR_GLOBAL_CTL 0xca0
@ -275,18 +276,12 @@
NHMEX_M_PMON_CTL_INC_SEL_MASK | \ NHMEX_M_PMON_CTL_INC_SEL_MASK | \
NHMEX_M_PMON_CTL_SET_FLAG_SEL_MASK) NHMEX_M_PMON_CTL_SET_FLAG_SEL_MASK)
#define NHMEX_M_PMON_ZDP_CTL_FVC_MASK (((1 << 11) - 1) | (1 << 23))
#define NHMEX_M_PMON_ZDP_CTL_FVC_FVID_MASK 0x1f
#define NHMEX_M_PMON_ZDP_CTL_FVC_BCMD_MASK (0x7 << 5)
#define NHMEX_M_PMON_ZDP_CTL_FVC_RSP_MASK (0x7 << 8)
#define NHMEX_M_PMON_ZDP_CTL_FVC_PBOX_INIT_ERR (1 << 23)
#define NHMEX_M_PMON_ZDP_CTL_FVC_MASK \
(NHMEX_M_PMON_ZDP_CTL_FVC_FVID_MASK | \
NHMEX_M_PMON_ZDP_CTL_FVC_BCMD_MASK | \
NHMEX_M_PMON_ZDP_CTL_FVC_RSP_MASK | \
NHMEX_M_PMON_ZDP_CTL_FVC_PBOX_INIT_ERR)
#define NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(n) (0x7 << (11 + 3 * (n))) #define NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(n) (0x7 << (11 + 3 * (n)))
#define WSMEX_M_PMON_ZDP_CTL_FVC_MASK (((1 << 12) - 1) | (1 << 24))
#define WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(n) (0x7 << (12 + 3 * (n)))
/* /*
* use the 9~13 bits to select event If the 7th bit is not set, * use the 9~13 bits to select event If the 7th bit is not set,
* otherwise use the 19~21 bits to select event. * otherwise use the 19~21 bits to select event.
@ -368,6 +363,7 @@ struct intel_uncore_type {
unsigned num_shared_regs:8; unsigned num_shared_regs:8;
unsigned single_fixed:1; unsigned single_fixed:1;
unsigned pair_ctr_ctl:1; unsigned pair_ctr_ctl:1;
unsigned *msr_offsets;
struct event_constraint unconstrainted; struct event_constraint unconstrainted;
struct event_constraint *constraints; struct event_constraint *constraints;
struct intel_uncore_pmu *pmus; struct intel_uncore_pmu *pmus;
@ -485,29 +481,31 @@ unsigned uncore_pci_perf_ctr(struct intel_uncore_box *box, int idx)
return idx * 8 + box->pmu->type->perf_ctr; return idx * 8 + box->pmu->type->perf_ctr;
} }
static inline static inline unsigned uncore_msr_box_offset(struct intel_uncore_box *box)
unsigned uncore_msr_box_ctl(struct intel_uncore_box *box) {
struct intel_uncore_pmu *pmu = box->pmu;
return pmu->type->msr_offsets ?
pmu->type->msr_offsets[pmu->pmu_idx] :
pmu->type->msr_offset * pmu->pmu_idx;
}
static inline unsigned uncore_msr_box_ctl(struct intel_uncore_box *box)
{ {
if (!box->pmu->type->box_ctl) if (!box->pmu->type->box_ctl)
return 0; return 0;
return box->pmu->type->box_ctl + return box->pmu->type->box_ctl + uncore_msr_box_offset(box);
box->pmu->type->msr_offset * box->pmu->pmu_idx;
} }
static inline static inline unsigned uncore_msr_fixed_ctl(struct intel_uncore_box *box)
unsigned uncore_msr_fixed_ctl(struct intel_uncore_box *box)
{ {
if (!box->pmu->type->fixed_ctl) if (!box->pmu->type->fixed_ctl)
return 0; return 0;
return box->pmu->type->fixed_ctl + return box->pmu->type->fixed_ctl + uncore_msr_box_offset(box);
box->pmu->type->msr_offset * box->pmu->pmu_idx;
} }
static inline static inline unsigned uncore_msr_fixed_ctr(struct intel_uncore_box *box)
unsigned uncore_msr_fixed_ctr(struct intel_uncore_box *box)
{ {
return box->pmu->type->fixed_ctr + return box->pmu->type->fixed_ctr + uncore_msr_box_offset(box);
box->pmu->type->msr_offset * box->pmu->pmu_idx;
} }
static inline static inline
@ -515,7 +513,7 @@ unsigned uncore_msr_event_ctl(struct intel_uncore_box *box, int idx)
{ {
return box->pmu->type->event_ctl + return box->pmu->type->event_ctl +
(box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) + (box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) +
box->pmu->type->msr_offset * box->pmu->pmu_idx; uncore_msr_box_offset(box);
} }
static inline static inline
@ -523,7 +521,7 @@ unsigned uncore_msr_perf_ctr(struct intel_uncore_box *box, int idx)
{ {
return box->pmu->type->perf_ctr + return box->pmu->type->perf_ctr +
(box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) + (box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) +
box->pmu->type->msr_offset * box->pmu->pmu_idx; uncore_msr_box_offset(box);
} }
static inline static inline