Add the sched_switch convert tool to visualise context switches. Signed-off-by: Remy Bohmer <li...@bohmer.net> --- patches/sched_switch-0.1/fix-cross-compile.patch | 26 ++++++++ patches/sched_switch-0.1/series | 1 + rules/sched_switch.in | 12 ++++ rules/sched_switch.make | 69 ++++++++++++++++++++++ 4 files changed, 108 insertions(+), 0 deletions(-) create mode 100644 patches/sched_switch-0.1/fix-cross-compile.patch create mode 100644 patches/sched_switch-0.1/series create mode 100644 rules/sched_switch.in create mode 100644 rules/sched_switch.make
diff --git a/patches/sched_switch-0.1/fix-cross-compile.patch b/patches/sched_switch-0.1/fix-cross-compile.patch new file mode 100644 index 0000000..d4939e0 --- /dev/null +++ b/patches/sched_switch-0.1/fix-cross-compile.patch @@ -0,0 +1,26 @@ +Fix cross compilation + +Signed-off-by: Remy Bohmer <li...@bohmer.net> +--- + Makefile | 14 +++++++++++++- + 1 file changed, 13 insertions(+), 1 deletion(-) + +Index: sched_switch-0.1/Makefile +=================================================================== +--- sched_switch-0.1.orig/Makefile ++++ sched_switch-0.1/Makefile +@@ -1 +1,13 @@ +-sched_switch: ++DESTDIR = ++BINDIR = /usr/bin ++ ++sched_switch: sched_switch.c Makefile ++ $(CC) sched_switch.c $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(XCFLAGS) -o sched_switch ++ ++.PHONY: clean ++clean: ++ rm -f sched_switch ++ ++.PHONY: install ++install: sched_switch ++ install -m 0755 sched_switch $(DESTDIR)$(BINDIR)/ diff --git a/patches/sched_switch-0.1/series b/patches/sched_switch-0.1/series new file mode 100644 index 0000000..0190994 --- /dev/null +++ b/patches/sched_switch-0.1/series @@ -0,0 +1 @@ +fix-cross-compile.patch diff --git a/rules/sched_switch.in b/rules/sched_switch.in new file mode 100644 index 0000000..01d26be --- /dev/null +++ b/rules/sched_switch.in @@ -0,0 +1,12 @@ +## SECTION=shell_and_console + +config SCHED_SWITCH + tristate + prompt "sched switch" + help + This is a tool that convert the kernel tracer 'sched_switch' data to + VCD (value change dump) data. + It makes a graphical visualization tool of the task switches that can be + visualised with GTK-wave + See http://www.osadl.org/Visualize-the-temporal-relationship-of-L.taks-visualizer.0.html + diff --git a/rules/sched_switch.make b/rules/sched_switch.make new file mode 100644 index 0000000..77c70f2 --- /dev/null +++ b/rules/sched_switch.make @@ -0,0 +1,69 @@ +# -*-makefile-*- +# +# Copyright (C) 2010 by Remy Bohmer <li...@bohmer.net> +# +# See CREDITS for details about who has contributed to this project. +# +# For further information about the PTXdist project and license conditions +# see the README file. +# + +# +# We provide this package +# +PACKAGES-$(PTXCONF_SCHED_SWITCH) += sched_switch + +# +# Paths and names +# +SCHED_SWITCH_VERSION := 0.1 +SCHED_SWITCH := sched_switch-$(SCHED_SWITCH_VERSION) +SCHED_SWITCH_SUFFIX := tgz +SCHED_SWITCH_URL := http://www.osadl.org/uploads/media/$(SCHED_SWITCH).$(SCHED_SWITCH_SUFFIX) +SCHED_SWITCH_SOURCE := $(SRCDIR)/$(SCHED_SWITCH).$(SCHED_SWITCH_SUFFIX) +SCHED_SWITCH_DIR := $(BUILDDIR)/$(SCHED_SWITCH) +SCHED_SWITCH_LICENSE := GPLv2 + +# ---------------------------------------------------------------------------- +# Get +# ---------------------------------------------------------------------------- + +$(SCHED_SWITCH_SOURCE): + @$(call targetinfo) + @$(call get, SCHED_SWITCH) + +# ---------------------------------------------------------------------------- +# Prepare +# ---------------------------------------------------------------------------- + +SCHED_SWITCH_CONF_TOOL := NO +SCHED_SWITCH_COMPILE_ENV:= $(CROSS_ENV_FLAGS) +SCHED_SWITCH_MAKE_OPT := $(CROSS_ENV_CC) +SCHED_SWITCH_INSTALL_OPT:= \ + $(SCHED_SWITCH_MAKE_OPT) \ + DESTDIR=$(SCHED_SWITCH_PKGDIR) \ + install + +# ---------------------------------------------------------------------------- +# Target-Install +# ---------------------------------------------------------------------------- + +$(STATEDIR)/sched_switch.targetinstall: + @$(call targetinfo) + + @$(call install_init, sched_switch) + @$(call install_fixup, sched_switch,PACKAGE,sched-switch) + @$(call install_fixup, sched_switch,PRIORITY,optional) + @$(call install_fixup, sched_switch,VERSION,$(SCHED_SWITCH_VERSION)) + @$(call install_fixup, sched_switch,SECTION,base) + @$(call install_fixup, sched_switch,AUTHOR,"Remy Bohmer <li...@bohmer.net>") + @$(call install_fixup, sched_switch,DEPENDS,) + @$(call install_fixup, sched_switch,DESCRIPTION,missing) + + @$(call install_copy, sched_switch, 0, 0, 0755, -, /usr/bin/sched_switch) + + @$(call install_finish, sched_switch) + + @$(call touch) + +# vim: syntax=make -- 1.7.0.4 -- ptxdist mailing list ptxdist@pengutronix.de
