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157086e750
RichString_writeFrom takes a top spot during performance analysis due to the calls to mbstowcs() and iswprint(). Most of the time we know in advance that we are only going to print regular ASCII characters.
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
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htop - MemoryMeter.c
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(C) 2004-2011 Hisham H. Muhammad
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Released under the GNU GPLv2, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "MemoryMeter.h"
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#include "CRT.h"
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#include "Object.h"
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#include "Platform.h"
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#include "RichString.h"
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static const int MemoryMeter_attributes[] = {
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MEMORY_USED,
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MEMORY_BUFFERS,
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MEMORY_CACHE
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};
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static void MemoryMeter_updateValues(Meter* this, char* buffer, size_t size) {
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int written;
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Platform_setMemoryValues(this);
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written = Meter_humanUnit(buffer, this->values[0], size);
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METER_BUFFER_CHECK(buffer, size, written);
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METER_BUFFER_APPEND_CHR(buffer, size, '/');
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Meter_humanUnit(buffer, this->total, size);
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}
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static void MemoryMeter_display(const Object* cast, RichString* out) {
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char buffer[50];
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const Meter* this = (const Meter*)cast;
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RichString_writeAscii(out, CRT_colors[METER_TEXT], ":");
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Meter_humanUnit(buffer, this->total, sizeof(buffer));
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RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
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Meter_humanUnit(buffer, this->values[0], sizeof(buffer));
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RichString_appendAscii(out, CRT_colors[METER_TEXT], " used:");
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RichString_appendAscii(out, CRT_colors[MEMORY_USED], buffer);
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Meter_humanUnit(buffer, this->values[1], sizeof(buffer));
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RichString_appendAscii(out, CRT_colors[METER_TEXT], " buffers:");
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RichString_appendAscii(out, CRT_colors[MEMORY_BUFFERS_TEXT], buffer);
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Meter_humanUnit(buffer, this->values[2], sizeof(buffer));
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RichString_appendAscii(out, CRT_colors[METER_TEXT], " cache:");
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RichString_appendAscii(out, CRT_colors[MEMORY_CACHE], buffer);
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}
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const MeterClass MemoryMeter_class = {
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.super = {
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.extends = Class(Meter),
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.delete = Meter_delete,
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.display = MemoryMeter_display,
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},
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.updateValues = MemoryMeter_updateValues,
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.defaultMode = BAR_METERMODE,
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.maxItems = 3,
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.total = 100.0,
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.attributes = MemoryMeter_attributes,
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.name = "Memory",
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.uiName = "Memory",
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.caption = "Mem"
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};
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