trace: profile all if conditionals

[safe/jmp/linux-2.6] / include / asm-generic / vmlinux.lds.h

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index dd2cc81..eba835a 100644 (file)
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -37,6 +37,29 @@
 #define MEM_DISCARD(sec) *(.mem##sec)
 #endif
 
+#ifdef CONFIG_FTRACE_MCOUNT_RECORD
+#define MCOUNT_REC()   VMLINUX_SYMBOL(__start_mcount_loc) = .; \
+                       *(__mcount_loc)                         \
+                       VMLINUX_SYMBOL(__stop_mcount_loc) = .;
+#else
+#define MCOUNT_REC()
+#endif
+
+#ifdef CONFIG_TRACE_BRANCH_PROFILING
+#define LIKELY_PROFILE()       VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
+                               *(_ftrace_annotated_branch)                           \
+                               VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
+#else
+#define LIKELY_PROFILE()
+#endif
+
+#ifdef CONFIG_PROFILE_ALL_BRANCHES
+#define BRANCH_PROFILE()       VMLINUX_SYMBOL(__start_branch_profile) = .;   \
+                               *(_ftrace_branch)                             \
+                               VMLINUX_SYMBOL(__stop_branch_profile) = .;
+#else
+#define BRANCH_PROFILE()
+#endif
 
 /* .data section */
 #define DATA_DATA                                                      \
@@ -52,7 +75,13 @@
        . = ALIGN(8);                                                   \
        VMLINUX_SYMBOL(__start___markers) = .;                          \
        *(__markers)                                                    \
-       VMLINUX_SYMBOL(__stop___markers) = .;
+       VMLINUX_SYMBOL(__stop___markers) = .;                           \
+       . = ALIGN(32);                                                  \
+       VMLINUX_SYMBOL(__start___tracepoints) = .;                      \
+       *(__tracepoints)                                                \
+       VMLINUX_SYMBOL(__stop___tracepoints) = .;                       \
+       LIKELY_PROFILE()                                                \
+       BRANCH_PROFILE()
 
 #define RO_DATA(align)                                                 \
        . = ALIGN((align));                                             \
@@ -61,6 +90,7 @@
                *(.rodata) *(.rodata.*)                                 \
                *(__vermagic)           /* Kernel version magic */      \
                *(__markers_strings)    /* Markers: strings */          \
+               *(__tracepoints_strings)/* Tracepoints: strings */      \
        }                                                               \
                                                                        \
        .rodata1          : AT(ADDR(.rodata1) - LOAD_OFFSET) {          \
@@ -86,6 +116,19 @@
                VMLINUX_SYMBOL(__start_pci_fixups_resume) = .;          \
                *(.pci_fixup_resume)                                    \
                VMLINUX_SYMBOL(__end_pci_fixups_resume) = .;            \
+               VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .;    \
+               *(.pci_fixup_resume_early)                              \
+               VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .;      \
+               VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .;         \
+               *(.pci_fixup_suspend)                                   \
+               VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .;           \
+       }                                                               \
+                                                                       \
+       /* Built-in firmware blobs */                                   \
+       .builtin_fw        : AT(ADDR(.builtin_fw) - LOAD_OFFSET) {      \
+               VMLINUX_SYMBOL(__start_builtin_fw) = .;                 \
+               *(.builtin_fw)                                          \
+               VMLINUX_SYMBOL(__end_builtin_fw) = .;                   \
        }                                                               \
                                                                        \
        /* RapidIO route ops */                                         \
@@ -95,6 +138,8 @@
                VMLINUX_SYMBOL(__end_rio_route_ops) = .;                \
        }                                                               \
                                                                        \
+       TRACEDATA                                                       \
+                                                                       \
        /* Kernel symbol table: Normal symbols */                       \
        __ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {         \
                VMLINUX_SYMBOL(__start___ksymtab) = .;                  \
@@ -173,6 +218,7 @@
        /* __*init sections */                                          \
        __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) {         \
                *(.ref.rodata)                                          \
+               MCOUNT_REC()                                            \
                DEV_KEEP(init.rodata)                                   \
                DEV_KEEP(exit.rodata)                                   \
                CPU_KEEP(init.rodata)                                   \
@@ -206,6 +252,7 @@
  * during second ld run in second ld pass when generating System.map */
 #define TEXT_TEXT                                                      \
                ALIGN_FUNCTION();                                       \
+               *(.text.hot)                                            \
                *(.text)                                                \
                *(.ref.text)                                            \
                *(.text.init.refok)                                     \
@@ -215,7 +262,8 @@
        CPU_KEEP(init.text)                                             \
        CPU_KEEP(exit.text)                                             \
        MEM_KEEP(init.text)                                             \
-       MEM_KEEP(exit.text)
+       MEM_KEEP(exit.text)                                             \
+               *(.text.unlikely)
 
 
 /* sched.text is aling to function alignment to secure we have same
@@ -251,7 +299,15 @@
        CPU_DISCARD(init.data)                                          \
        CPU_DISCARD(init.rodata)                                        \
        MEM_DISCARD(init.data)                                          \
-       MEM_DISCARD(init.rodata)
+       MEM_DISCARD(init.rodata)                                        \
+       /* implement dynamic printk debug */                            \
+       VMLINUX_SYMBOL(__start___verbose_strings) = .;                  \
+       *(__verbose_strings)                                            \
+       VMLINUX_SYMBOL(__stop___verbose_strings) = .;                   \
+       . = ALIGN(8);                                                   \
+       VMLINUX_SYMBOL(__start___verbose) = .;                          \
+       *(__verbose)                                                    \
+       VMLINUX_SYMBOL(__stop___verbose) = .;
 
 #define INIT_TEXT                                                      \
        *(.init.text)                                                   \
@@ -316,14 +372,26 @@
 #define BUG_TABLE                                                      \
        . = ALIGN(8);                                                   \
        __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) {             \
-               __start___bug_table = .;                                \
+               VMLINUX_SYMBOL(__start___bug_table) = .;                \
                *(__bug_table)                                          \
-               __stop___bug_table = .;                                 \
+               VMLINUX_SYMBOL(__stop___bug_table) = .;                 \
        }
 #else
 #define BUG_TABLE
 #endif
 
+#ifdef CONFIG_PM_TRACE
+#define TRACEDATA                                                      \
+       . = ALIGN(4);                                                   \
+       .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {               \
+               VMLINUX_SYMBOL(__tracedata_start) = .;                  \
+               *(.tracedata)                                           \
+               VMLINUX_SYMBOL(__tracedata_end) = .;                    \
+       }
+#else
+#define TRACEDATA
+#endif
+
 #define NOTES                                                          \
        .notes : AT(ADDR(.notes) - LOAD_OFFSET) {                       \
                VMLINUX_SYMBOL(__start_notes) = .;                      \
@@ -332,6 +400,8 @@
        }
 
 #define INITCALLS                                                      \
+       *(.initcallearly.init)                                          \
+       VMLINUX_SYMBOL(__early_initcall_end) = .;                       \
        *(.initcall0.init)                                              \
        *(.initcall0s.init)                                             \
        *(.initcall1.init)                                              \
@@ -352,9 +422,10 @@
 
 #define PERCPU(align)                                                  \
        . = ALIGN(align);                                               \
-       __per_cpu_start = .;                                            \
+       VMLINUX_SYMBOL(__per_cpu_start) = .;                            \
        .data.percpu  : AT(ADDR(.data.percpu) - LOAD_OFFSET) {          \
+               *(.data.percpu.page_aligned)                            \
                *(.data.percpu)                                         \
                *(.data.percpu.shared_aligned)                          \
        }                                                               \
-       __per_cpu_end = .;
+       VMLINUX_SYMBOL(__per_cpu_end) = .;