the-btfash-foundation/tmux-mem-cpu-load
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CPU usage graph generation by getGraphByPercentage function.

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This commit is contained in:
l0ner 2014-04-19 22:36:59 +00:00
parent 444bf2fa1c
commit 2040736dd6
2 changed files with 12 additions and 15 deletions
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2
CMakeLists.txt
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@ -52,7 +52,7 @@ SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_COVERAGE_COMPILE_FLAGS}" )
# add binary tree so we find version.h
include_directories("${PROJECT_BINARY_DIR}" ${Boost_INCLUDE_DIRS})
add_executable(tmux-mem-cpu-load tmux-mem-cpu-load.cpp ${METER_SOURCES})
add_executable(tmux-mem-cpu-load tmux-mem-cpu-load.cpp graph.cc ${METER_SOURCES})
target_link_libraries(tmux-mem-cpu-load ${Boost_LIBRARIES})
install(TARGETS tmux-mem-cpu-load
RUNTIME DESTINATION bin

25
tmux-mem-cpu-load.cpp
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@ -44,6 +44,8 @@
#include "linux/load.h"
#endif
#include "graph.h"
// Function declarations.
// TODO: those should stay in separate headers
// LINUX: DONE/partial
@ -52,28 +54,23 @@
std::string cpu_string( unsigned int cpu_usage_delay,
unsigned int graph_lines, bool use_colors = false ) {
std::string meter( graph_lines + 2, ' ' );
meter[0] = '[';
meter[meter.length() - 1] = ']';
int meter_count = 0;
float percentage;
float percentage;
//output stuff
std::ostringstream oss;
oss.precision( 1 );
oss.setf( std::ios::fixed | std::ios::right );
// get %
percentage = cpu_percentage( cpu_usage_delay );
float meter_step = 99.9 / graph_lines;
meter_count = 1;
while(meter_count*meter_step < percentage) {
meter[meter_count] = '|';
meter_count++;
}
if( use_colors )
oss << cpu_percentage_lut[static_cast<unsigned int>( percentage )];
oss << meter;
oss << "[";
oss << getGraphByPercentage( unsigned(percentage), graph_lines );
oss << "]";
oss.width( 5 );
oss << percentage;
oss << "%";