Utility macros, declarations, etc, to support Oprofile for Cell.
Signed-Off-By: Maynard Johnson <[email protected]>
Index: linux-2.6.18/arch/powerpc/oprofile/cell/perf_utils.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.18/arch/powerpc/oprofile/cell/perf_utils.h 2006-11-08 21:33:27.178161224 -0600
@@ -0,0 +1,113 @@
+/*
+ * perf_utils.h
+ *
+ * This file contains useful macros, declarations, etc. used
+ * by OProfile for the Cell Broadband Engine.
+ *
+ * (C) Copyright IBM Corporation 2006
+ *
+ * Authors: Maynard Johnson <[email protected]>
+ */
+
+#ifndef PERF_UTILS_H
+#define PERF_UTILS_H
+
+#define UNUSED_WORD ~0
+
+/* This macro should be used with care as it NR_CPUS is
+ * a maximum value that may not be accurate at runtime.
+ */
+#define NR_NODES (NR_CPUS >> 1)
+
+/* FIXME: I don't know if there's a _real_ macro or
+ * function for determining whether or not SMT is enabled.
+ */
+#define is_smt() 1
+
+#define PPU_CYCLES_EVENT_NUM 1 /* event number for PPU_CYCLES */
+#define CBE_COUNT_ALL_CYCLES 0x42800000 /* PPU cycle event specifier */
+
+#define NUM_THREADS 2
+#define NUM_CNTRS 4
+#define VIRT_CNTR_SW_TIME_NS 100000000 // 0.5 seconds
+
+#define CBE_COUNT_SUPERVISOR_MODE 0
+#define CBE_COUNT_HYPERVISOR_MODE 1
+#define CBE_COUNT_PROBLEM_MODE 2
+#define CBE_COUNT_ALL_MODES 3
+
+/* Macros for the pm07_control registers. */
+#define PM07_CTR_INPUT_MUX(x) ((((x) & 1) << 26) & 0x3f)
+#define PM07_CTR_INPUT_CONTROL(x) (((x) & 1) << 25)
+#define PM07_CTR_POLARITY(x) (((x) & 1) << 24)
+#define PM07_CTR_COUNT_CYCLES(x) (((x) & 1) << 23)
+#define PM07_CTR_ENABLE(x) (((x) & 1) << 22)
+
+
+struct pmc_cntrl_data {
+ unsigned long vcntr;
+ unsigned long evnts;
+ unsigned long masks;
+ unsigned long enabled;
+};
+
+/*
+ * ibm,cbe-perftools rtas parameters
+ */
+
+struct pm_signal {
+ u16 cpu; /* Processor to modify */
+ u16 sub_unit; /* hw subunit this applies to (if applicable) */
+ u16 signal_group; /* Signal Group to Enable/Disable */
+ u8 bus_word; /* Enable/Disable on this Trace/Trigger/Event
+ Bus Word(s) (bitmask) */
+ u8 bit; /* Trigger/Event bit (if applicable) */
+};
+
+/*
+ * rtas call arguments
+ */
+enum {
+ SUBFUNC_RESET = 1,
+ SUBFUNC_ACTIVATE = 2,
+ SUBFUNC_DEACTIVATE = 3,
+
+ PASSTHRU_IGNORE = 0,
+ PASSTHRU_ENABLE = 1,
+ PASSTHRU_DISABLE = 2,
+};
+
+struct pm_cntrl {
+ short int enable;
+ short int stop_at_max;
+ short int trace_mode;
+ short int freeze;
+ short int count_mode;
+};
+
+static struct {
+ u32 group_control;
+ u32 debug_bus_control;
+ struct pm_cntrl pm_cntrl;
+ u32 pm07_cntrl[OP_MAX_COUNTER];
+} pm_regs;
+
+struct oprofile_umask {
+ union {
+ u32 val;
+ struct {
+ u32 pad1:16;
+ u32 sub_unit:4;
+ u32 pad2:2;
+ u32 bus_type:2;
+ u32 bus_word:4;
+ u32 pad3:1;
+ u32 input_control:1;
+ u32 polarity:1;
+ u32 count_cycles:1;
+ };
+ };
+};
+
+
+#endif // PERF_UTILS_H
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
