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| #!/bin/sh | |
| # Copyright (C) 2014 Julien Bonjean <[email protected]> | |
| # This program is free software: you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation, either version 3 of the License, or | |
| # (at your option) any later version. | |
| # This program is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # You should have received a copy of the GNU General Public License | |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| TYPE="${BLOCK_INSTANCE:-mem}" | |
| awk -v type=$TYPE ' | |
| /^MemTotal:/ { | |
| mem_total=$2 | |
| } | |
| /^MemFree:/ { | |
| mem_free=$2 | |
| } | |
| /^Buffers:/ { | |
| mem_free+=$2 | |
| } | |
| /^Cached:/ { | |
| mem_free+=$2 | |
| } | |
| /^SwapTotal:/ { | |
| swap_total=$2 | |
| } | |
| /^SwapFree:/ { | |
| swap_free=$2 | |
| } | |
| END { | |
| if (type == "swap") { | |
| free=swap_free/1024 | |
| used=(swap_total-swap_free)/1024 | |
| total=swap_total/1024 | |
| } else { | |
| free=mem_free/1024/1024 | |
| used=(mem_total-mem_free)/1024 | |
| total=mem_total/1024 | |
| } | |
| pct=0 | |
| if (total > 0) { | |
| pct=used/total*100 | |
| } | |
| # full text | |
| # printf(" %.1f/%.1f · %.f%%\n", used, total, pct) | |
| # short text | |
| printf("%.1f/%.1f\n", used, total) | |
| color | |
| if (pct > 90) { | |
| print("#FF0000") | |
| } else if (pct > 80) { | |
| print("#FFAE00") | |
| } else if (pct > 70) { | |
| print("#FFF600") | |
| } | |
| } | |
| ' /proc/meminfo |
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